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How to prepare an excellent thesis defense

Thesis defence

What is a thesis defense?

How long is a thesis defense, what happens at a thesis defense, your presentation, questions from the committee, 6 tips to help you prepare for your thesis defense, 1. anticipate questions and prepare for them, 2. dress for success, 3. ask for help, as needed, 4. have a backup plan, 5. prepare for the possibility that you might not know an answer, 6. de-stress before, during, and after, frequently asked questions about preparing an excellent thesis defense, related articles.

If you're about to complete, or have ever completed a graduate degree, you have most likely come across the term "thesis defense." In many countries, to finish a graduate degree, you have to write a thesis .

A thesis is a large paper, or multi-chapter work, based on a topic relating to your field of study.

Once you hand in your thesis, you will be assigned a date to defend your work. Your thesis defense meeting usually consists of you and a committee of two or more professors working in your program. It may also include other people, like professionals from other colleges or those who are working in your field.

During your thesis defense, you will be asked questions about your work. The main purpose of your thesis defense is for the committee to make sure that you actually understand your field and focus area.

The questions are usually open-ended and require the student to think critically about their work. By the time of your thesis defense, your paper has already been evaluated. The questions asked are not designed so that you actually have to aggressively "defend" your work; often, your thesis defense is more of a formality required so that you can get your degree.

  • Check with your department about requirements and timing.
  • Re-read your thesis.
  • Anticipate questions and prepare for them.
  • Create a back-up plan to deal with technology hiccups.
  • Plan de-stressing activities both before, and after, your defense.

How long your oral thesis defense is depends largely on the institution and requirements of your degree. It is best to consult your department or institution about this. In general, a thesis defense may take only 20 minutes, but it may also take two hours or more. The length also depends on how much time is allocated to the presentation and questioning part.

Tip: Check with your department or institution as soon as possible to determine the approved length for a thesis defense.

First of all, be aware that a thesis defense varies from country to country. This is just a general overview, but a thesis defense can take many different formats. Some are closed, others are public defenses. Some take place with two committee members, some with more examiners.

The same goes for the length of your thesis defense, as mentioned above. The most important first step for you is to clarify with your department what the structure of your thesis defense will look like. In general, your thesis defense will include:

  • your presentation of around 20-30 minutes
  • questions from the committee
  • questions from the audience (if the defense is public and the department allows it)

You might have to give a presentation, often with Powerpoint, Google slides, or Keynote slides. Make sure to prepare an appropriate amount of slides. A general rule is to use about 10 slides for a 20-minute presentation.

But that also depends on your specific topic and the way you present. The good news is that there will be plenty of time ahead of your thesis defense to prepare your slides and practice your presentation alone and in front of friends or family.

Tip: Practice delivering your thesis presentation in front of family, friends, or colleagues.

You can prepare your slides by using information from your thesis' first chapter (the overview of your thesis) as a framework or outline. Substantive information in your thesis should correspond with your slides.

Make sure your slides are of good quality— both in terms of the integrity of the information and the appearance. If you need more help with how to prepare your presentation slides, both the ASQ Higher Education Brief and James Hayton have good guidelines on the topic.

The committee will ask questions about your work after you finish your presentation. The questions will most likely be about the core content of your thesis, such as what you learned from the study you conducted. They may also ask you to summarize certain findings and to discuss how your work will contribute to the existing body of knowledge.

Tip: Read your entire thesis in preparation of the questions, so you have a refreshed perspective on your work.

While you are preparing, you can create a list of possible questions and try to answer them. You can foresee many of the questions you will get by simply spending some time rereading your thesis.

Here are a few tips on how to prepare for your thesis defense:

You can absolutely prepare for most of the questions you will be asked. Read through your thesis and while you're reading it, create a list of possible questions. In addition, since you will know who will be on the committee, look at the academic expertise of the committee members. In what areas would they most likely be focused?

If possible, sit at other thesis defenses with these committee members to get a feel for how they ask and what they ask. As a graduate student, you should generally be adept at anticipating test questions, so use this advantage to gather as much information as possible before your thesis defense meeting.

Your thesis defense is a formal event, often the entire department or university is invited to participate. It signals a critical rite of passage for graduate students and faculty who have supported them throughout a long and challenging process.

While most universities don't have specific rules on how to dress for that event, do regard it with dignity and respect. This one might be a no-brainer, but know that you should dress as if you were on a job interview or delivering a paper at a conference.

It might help you deal with your stress before your thesis defense to entrust someone with the smaller but important responsibilities of your defense well ahead of schedule. This trusted person could be responsible for:

  • preparing the room of the day of defense
  • setting up equipment for the presentation
  • preparing and distributing handouts

Technology is unpredictable. Life is too. There are no guarantees that your Powerpoint presentation will work at all or look the way it is supposed to on the big screen. We've all been there. Make sure to have a plan B for these situations. Handouts can help when technology fails, and an additional clean shirt can save the day if you have a spill.

One of the scariest aspects of the defense is the possibility of being asked a question you can't answer. While you can prepare for some questions, you can never know exactly what the committee will ask.

There will always be gaps in your knowledge. But your thesis defense is not about being perfect and knowing everything, it's about how you deal with challenging situations. You are not expected to know everything.

James Hayton writes on his blog that examiners will sometimes even ask questions they don't know the answer to, out of curiosity, or because they want to see how you think. While it is ok sometimes to just say "I don't know", he advises to try something like "I don't know, but I would think [...] because of x and y, but you would need to do [...] in order to find out.” This shows that you have the ability to think as an academic.

You will be nervous. But your examiners will expect you to be nervous. Being well prepared can help minimize your stress, but do know that your examiners have seen this many times before and are willing to help, by repeating questions, for example. Dora Farkas at finishyourthesis.com notes that it’s a myth that thesis committees are out to get you.

Two common symptoms of being nervous are talking really fast and nervous laughs. Try to slow yourself down and take a deep breath. Remember what feels like hours to you are just a few seconds in real life.

  • Try meditational breathing right before your defense.
  • Get plenty of exercise and sleep in the weeks prior to your defense.
  • Have your clothes or other items you need ready to go the night before.
  • During your defense, allow yourself to process each question before answering.
  • Go to dinner with friends and family, or to a fun activity like mini-golf, after your defense.

Allow yourself to process each question, respond to it, and stop talking once you have responded. While a smile can often help dissolve a difficult situation, remember that nervous laughs can be irritating for your audience.

We all make mistakes and your thesis defense will not be perfect. However, careful preparation, mindfulness, and confidence can help you feel less stressful both before, and during, your defense.

Finally, consider planning something fun that you can look forward to after your defense.

It is completely normal to be nervous. Being well prepared can help minimize your stress, but do know that your examiners have seen this many times before and are willing to help, by repeating questions for example if needed. Slow yourself down, and take a deep breath.

Your thesis defense is not about being perfect and knowing everything, it's about how you deal with challenging situations. James Hayton writes on his blog that it is ok sometimes to just say "I don't know", but he advises to try something like "I don't know, but I would think [...] because of x and y, you would need to do [...] in order to find out".

Your Powerpoint presentation can get stuck or not look the way it is supposed to do on the big screen. It can happen and your supervisors know it. In general, handouts can always save the day when technology fails.

  • Dress for success.
  • Ask for help setting up.
  • Have a backup plan (in case technology fails you).
  • Deal with your nerves.

thesis defense phd

Graduate Center | Home

Defending Your Dissertation: A Guide

A woman in front of a bookshelf speaking to a laptop

Written by Luke Wink-Moran | Photo by insta_photos

Dissertation defenses are daunting, and no wonder; it’s not a “dissertation discussion,” or a “dissertation dialogue.” The name alone implies that the dissertation you’ve spent the last x number of years working on is subject to attack. And if you don’t feel trepidation for semantic reasons, you might be nervous because you don’t know what to expect. Our imaginations are great at making The Unknown scarier than reality. The good news is that you’ll find in this newsletter article experts who can shed light on what dissertations defenses are really like, and what you can do to prepare for them.

The first thing you should know is that your defense has already begun. It started the minute you began working on your dissertation— maybe even in some of the classes you took beforehand that helped you formulate your ideas. This, according to Dr. Celeste Atkins, is why it’s so important to identify a good mentor early in graduate school.

“To me,” noted Dr. Atkins, who wrote her dissertation on how sociology faculty from traditionally marginalized backgrounds teach about privilege and inequality, “the most important part of the doctoral journey was finding an advisor who understood and supported what I wanted from my education and who was willing to challenge me and push me, while not delaying me.  I would encourage future PhDs to really take the time to get to know the faculty before choosing an advisor and to make sure that the members of their committee work well together.”

Your advisor will be the one who helps you refine arguments and strengthen your work so that by the time it reaches your dissertation committee, it’s ready. Next comes the writing process, which many students have said was the hardest part of their PhD. I’ve included this section on the writing process because this is where you’ll create all the material you’ll present during your defense, so it’s important to navigate it successfully. The writing process is intellectually grueling, it eats time and energy, and it’s where many students find themselves paddling frantically to avoid languishing in the “All-But-Dissertation” doldrums. The writing process is also likely to encroach on other parts of your life. For instance, Dr. Cynthia Trejo wrote her dissertation on college preparation for Latin American students while caring for a twelve-year-old, two adult children, and her aging parents—in the middle of a pandemic. When I asked Dr. Trejo how she did this, she replied:

“I don’t take the privilege of education for granted. My son knew I got up at 4:00 a.m. every morning, even on weekends, even on holidays; and it’s a blessing that he’s seen that work ethic and that dedication and the end result.”

Importantly, Dr. Trejo also exercised regularly and joined several online writing groups at UArizona. She mobilized her support network— her partner, parents, and even friends from high school to help care for her son.

The challenges you face during the writing process can vary by discipline. Jessika Iwanski is an MD/PhD student who in 2022 defended her dissertation on genetic mutations in sarcomeric proteins that lead to severe, neonatal dilated cardiomyopathy. She described her writing experience as “an intricate process of balancing many things at once with a deadline (defense day) that seems to be creeping up faster and faster— finishing up experiments, drafting the dissertation, preparing your presentation, filling out all the necessary documents for your defense and also, for MD/PhD students, beginning to reintegrate into the clinical world (reviewing your clinical knowledge and skill sets)!”

But no matter what your unique challenges are, writing a dissertation can take a toll on your mental health. Almost every student I spoke with said they saw a therapist and found their sessions enormously helpful. They also looked to the people in their lives for support. Dr. Betsy Labiner, who wrote her dissertation on Interiority, Truth, and Violence in Early Modern Drama, recommended, “Keep your loved ones close! This is so hard – the dissertation lends itself to isolation, especially in the final stages. Plus, a huge number of your family and friends simply won’t understand what you’re going through. But they love you and want to help and are great for getting you out of your head and into a space where you can enjoy life even when you feel like your dissertation is a flaming heap of trash.”

While you might sometimes feel like your dissertation is a flaming heap of trash, remember: a) no it’s not, you brilliant scholar, and b) the best dissertations aren’t necessarily perfect dissertations. According to Dr. Trejo, “The best dissertation is a done dissertation.” So don’t get hung up on perfecting every detail of your work. Think of your dissertation as a long-form assignment that you need to finish in order to move onto the next stage of your career. Many students continue revising after graduation and submit their work for publication or other professional objectives.

When you do finish writing your dissertation, it’s time to schedule your defense and invite friends and family to the part of the exam that’s open to the public. When that moment comes, how do you prepare to present your work and field questions about it?

“I reread my dissertation in full in one sitting,” said Dr. Labiner. “During all my time writing it, I’d never read more than one complete chapter at a time! It was a huge confidence boost to read my work in full and realize that I had produced a compelling, engaging, original argument.”

There are many other ways to prepare: create presentation slides and practice presenting them to friends or alone; think of questions you might be asked and answer them; think about what you want to wear or where you might want to sit (if you’re presenting on Zoom) that might give you a confidence boost. Iwanksi practiced presenting with her mentor and reviewed current papers to anticipate what questions her committee might ask.  If you want to really get in the zone, you can emulate Dr. Labiner and do a full dress rehearsal on Zoom the day before your defense.

But no matter what you do, you’ll still be nervous:

“I had a sense of the logistics, the timing, and so on, but I didn’t really have clear expectations outside of the structure. It was a sort of nebulous three hours in which I expected to be nauseatingly terrified,” recalled Dr. Labiner.

“I expected it to be terrifying, with lots of difficult questions and constructive criticism/comments given,” agreed Iwanski.

“I expected it to be very scary,” said Dr. Trejo.

“I expected it to be like I was on trial, and I’d have to defend myself and prove I deserved a PhD,” said Dr Atkins.

And, eventually, inexorably, it will be time to present.  

“It was actually very enjoyable” said Iwanski. “It was more of a celebration of years of work put into this project—not only by me but by my mentor, colleagues, lab members and collaborators! I felt very supported by all my committee members and, rather than it being a rapid fire of questions, it was more of a scientific discussion amongst colleagues who are passionate about heart disease and muscle biology.”

“I was anxious right when I logged on to the Zoom call for it,” said Dr. Labiner, “but I was blown away by the number of family and friends that showed up to support me. I had invited a lot of people who I didn’t at all think would come, but every single person I invited was there! Having about 40 guests – many of them joining from different states and several from different countries! – made me feel so loved and celebrated that my nerves were steadied very quickly. It also helped me go into ‘teaching mode’ about my work, so it felt like getting to lead a seminar on my most favorite literature.”

“In reality, my dissertation defense was similar to presenting at an academic conference,” said Dr. Atkins. “I went over my research in a practiced and organized way, and I fielded questions from the audience.

“It was a celebration and an important benchmark for me,” said Dr. Trejo. “It was a pretty happy day. Like the punctuation at the end of your sentence: this sentence is done; this journey is done. You can start the next sentence.”

If you want to learn more about dissertations in your own discipline, don’t hesitate to reach out to graduates from your program and ask them about their experiences. If you’d like to avail yourself of some of the resources that helped students in this article while they wrote and defended their dissertations, check out these links:

The Graduate Writing Lab

https://thinktank.arizona.edu/writing-center/graduate-writing-lab

The Writing Skills Improvement Program

https://wsip.arizona.edu

Campus Health Counseling and Psych Services

https://caps.arizona.edu

https://www.scribbr.com/

thesis defense phd

Research Voyage

Research Tips and Infromation

PhD Defence Process: A Comprehensive Guide

PhD Defence

Embarking on the journey toward a PhD is an intellectual odyssey marked by tireless research, countless hours of contemplation, and a fervent commitment to contributing to the body of knowledge in one’s field. As the culmination of this formidable journey, the PhD defence stands as the final frontier, the proverbial bridge between student and scholar.

In this comprehensive guide, we unravel the intricacies of the PhD defence—a momentous occasion that is both a celebration of scholarly achievement and a rigorous evaluation of academic prowess. Join us as we explore the nuances of the defence process, addressing questions about its duration, contemplating the possibility of failure, and delving into the subtle distinctions of language that surround it.

Beyond the formalities, we aim to shed light on the significance of this rite of passage, dispelling misconceptions about its nature. Moreover, we’ll consider the impact of one’s attire on this critical day and share personal experiences and practical tips from those who have successfully navigated the defence journey.

Whether you are on the precipice of your own defence or are simply curious about the process, this guide seeks to demystify the PhD defence, providing a roadmap for success and a nuanced understanding of the pivotal event that marks the transition from student to scholar.

Introduction

A. definition and purpose:, b. overview of the oral examination:, a. general duration of a typical defense, b. factors influencing the duration:, c. preparation and flexibility:, a. preparation and thorough understanding of the research:, b. handling questions effectively:, c. confidence and composure during the presentation:, d. posture of continuous improvement:, a. exploring the possibility of failure:, b. common reasons for failure:, c. steps to mitigate the risk of failure:, d. post-failure resilience:, a. addressing the language variation:, b. conforming to regional preferences:, c. consistency in usage:, d. flexibility and adaptability:, e. navigating language in a globalized academic landscape:, a. debunking myths around the formality of the defense:, b. significance in validating research contributions:, c. post-defense impact:, a. appropriate attire for different settings:, b. professionalism and the impact of appearance:, c. practical tips for dressing success:, b. practical tips for a successful defense:, c. post-defense reflections:, career options after phd.

Embarking on the doctoral journey is a formidable undertaking, where aspiring scholars immerse themselves in the pursuit of knowledge, contributing new insights to their respective fields. At the pinnacle of this academic odyssey lies the PhD defence—a culmination that transcends the boundaries of a mere formality, symbolizing the transformation from a student of a discipline to a recognized contributor to the academic tapestry.

The PhD defence, also known as the viva voce or oral examination, is a pivotal moment in the life of a doctoral candidate.

PhD defence is not merely a ritualistic ceremony; rather, it serves as a platform for scholars to present, defend, and elucidate the findings and implications of their research. The defence is the crucible where ideas are tested, hypotheses scrutinized, and the depth of scholarly understanding is laid bare.

The importance of the PhD defence reverberates throughout the academic landscape. It is not just a capstone event; it is the juncture where academic rigour meets real-world application. The defence is the litmus test of a researcher’s ability to articulate, defend, and contextualize their work—an evaluation that extends beyond the pages of a dissertation.

Beyond its evaluative nature, the defence serves as a rite of passage, validating the years of dedication, perseverance, and intellectual rigour invested in the research endeavour. Success in the defence is a testament to the candidate’s mastery of their subject matter and the originality and impact of their contributions to the academic community.

Furthermore, a successful defence paves the way for future contributions, positioning the scholar as a recognized authority in their field. The defence is not just an endpoint; it is a launchpad, propelling researchers into the next phase of their academic journey as they continue to shape and redefine the boundaries of knowledge.

In essence, the PhD defence is more than a ceremonial checkpoint—it is a transformative experience that validates the intellectual journey, underscores the significance of scholarly contributions, and sets the stage for a continued legacy of academic excellence. As we navigate the intricacies of this process, we invite you to explore the multifaceted dimensions that make the PhD defence an indispensable chapter in the narrative of academic achievement.

What is a PhD Defence?

At its core, a PhD defence is a rigorous and comprehensive examination that marks the culmination of a doctoral candidate’s research journey. It is an essential component of the doctoral process in which the candidate is required to defend their dissertation before a committee of experts in the field. The defence serves multiple purposes, acting as both a showcase of the candidate’s work and an evaluative measure of their understanding, critical thinking, and contributions to the academic domain.

The primary goals of a PhD defence include:

  • Presentation of Research: The candidate presents the key findings, methodology, and significance of their research.
  • Demonstration of Mastery: The defence assesses the candidate’s depth of understanding, mastery of the subject matter, and ability to engage in scholarly discourse.
  • Critical Examination: Committee members rigorously question the candidate, challenging assumptions, testing methodologies, and probing the boundaries of the research.
  • Validation of Originality: The defence validates the originality and contribution of the candidate’s work to the existing body of knowledge.

The PhD defence often takes the form of an oral examination, commonly referred to as the viva voce. This oral component adds a dynamic and interactive dimension to the evaluation process. Key elements of the oral examination include:

  • Presentation: The candidate typically begins with a formal presentation, summarizing the dissertation’s main components, methodology, and findings. This presentation is an opportunity to showcase the significance and novelty of the research.
  • Questioning and Discussion: Following the presentation, the candidate engages in a thorough questioning session with the examination committee. Committee members explore various aspects of the research, challenging the candidates to articulate their rationale, defend their conclusions, and respond to critiques.
  • Defence of Methodology: The candidate is often required to defend the chosen research methodology, demonstrating its appropriateness, rigour, and contribution to the field.
  • Evaluation of Contributions: Committee members assess the originality and impact of the candidate’s contributions to the academic discipline, seeking to understand how the research advances existing knowledge.

The oral examination is not a mere formality; it is a dynamic exchange that tests the candidate’s intellectual acumen, research skills, and capacity to contribute meaningfully to the scholarly community.

In essence, the PhD defence is a comprehensive and interactive evaluation that encapsulates the essence of a candidate’s research journey, demanding a synthesis of knowledge, clarity of expression, and the ability to navigate the complexities of academic inquiry. As we delve into the specifics of the defence process, we will unravel the layers of preparation and skill required to navigate this transformative academic milestone.

How Long is a PhD Defence?

The duration of a PhD defence can vary widely, but it typically ranges from two to three hours. This time frame encompasses the candidate’s presentation of their research, questioning and discussions with the examination committee, and any additional deliberations or decisions by the committee. However, it’s essential to note that this is a general guideline, and actual defence durations may vary based on numerous factors.

  • Sciences and Engineering: Defenses in these fields might lean towards the shorter end of the spectrum, often around two hours. The focus is often on the methodology, results, and technical aspects.
  • Humanities and Social Sciences: Given the theoretical and interpretive nature of research in these fields, defences might extend closer to three hours or more. Discussions may delve into philosophical underpinnings and nuanced interpretations.
  • Simple vs. Complex Studies: The complexity of the research itself plays a role. Elaborate experiments, extensive datasets, or intricate theoretical frameworks may necessitate a more extended defence.
  • Number of Committee Members: A larger committee or one with diverse expertise may lead to more extensive discussions and varied perspectives, potentially elongating the defence.
  • Committee Engagement: The level of engagement and probing by committee members can influence the overall duration. In-depth discussions or debates may extend the defence time.
  • Cultural Norms: In some countries, the oral defence might be more ceremonial, with less emphasis on intense questioning. In others, a rigorous and extended defence might be the norm.
  • Evaluation Practices: Different academic systems have varying evaluation criteria, which can impact the duration of the defence.
  • Institutional Guidelines: Some institutions may have specific guidelines on defence durations, influencing the overall time allotted for the process.

Candidates should be well-prepared for a defence of any duration. Adequate preparation not only involves a concise presentation of the research but also anticipates potential questions and engages in thoughtful discussions. Additionally, candidates should be flexible and responsive to the dynamics of the defense, adapting to the pace set by the committee.

Success Factors in a PhD Defence

  • Successful defence begins with a deep and comprehensive understanding of the research. Candidates should be well-versed in every aspect of their study, from the theoretical framework to the methodology and findings.
  • Thorough preparation involves anticipating potential questions from the examination committee. Candidates should consider the strengths and limitations of their research and be ready to address queries related to methodology, data analysis, and theoretical underpinnings.
  • Conducting mock defences with peers or mentors can be invaluable. It helps refine the presentation, exposes potential areas of weakness, and provides an opportunity to practice responding to challenging questions.
  • Actively listen to questions without interruption. Understanding the nuances of each question is crucial for providing precise and relevant responses.
  • Responses should be clear, concise, and directly address the question. Avoid unnecessary jargon, and strive to convey complex concepts in a manner that is accessible to the entire committee.
  • It’s acceptable not to have all the answers. If faced with a question that stumps you, acknowledge it honestly. Expressing a willingness to explore the topic further demonstrates intellectual humility.
  • Use questions as opportunities to reinforce key messages from the research. Skillfully link responses back to the core contributions of the study, emphasizing its significance.
  • Rehearse the presentation multiple times to build familiarity with the material. This enhances confidence, reduces nervousness, and ensures a smooth and engaging delivery.
  • Maintain confident and open body language. Stand tall, make eye contact, and use gestures judiciously. A composed demeanour contributes to a positive impression.
  • Acknowledge and manage nervousness. It’s natural to feel some anxiety, but channelling that energy into enthusiasm for presenting your research can turn nervousness into a positive force.
  • Engage with the committee through a dynamic and interactive presentation. Invite questions during the presentation to create a more conversational atmosphere.
  • Utilize visual aids effectively. Slides or other visual elements should complement the spoken presentation, reinforcing key points without overwhelming the audience.
  • View the defence not only as an evaluation but also as an opportunity for continuous improvement. Feedback received during the defence can inform future research endeavours and scholarly pursuits.

In essence, success in a PhD defence hinges on meticulous preparation, adept handling of questions, and projecting confidence and composure during the presentation. A well-prepared and resilient candidate is better positioned to navigate the challenges of the defence, transforming it from a moment of evaluation into an affirmation of scholarly achievement.

Failure in PhD Defence

  • While the prospect of failing a PhD defence is relatively rare, it’s essential for candidates to acknowledge that the possibility exists. Understanding this reality can motivate diligent preparation and a proactive approach to mitigate potential risks.
  • Failure, if it occurs, should be seen as a learning opportunity rather than a definitive endpoint. It may highlight areas for improvement and offer insights into refining the research and presentation.
  • Lack of thorough preparation, including a weak grasp of the research content, inadequate rehearsal, and failure to anticipate potential questions, can contribute to failure.
  • Inability to effectively defend the chosen research methodology, including justifying its appropriateness and demonstrating its rigour, can be a critical factor.
  • Failing to clearly articulate the original contributions of the research and its significance to the field may lead to a negative assessment.
  • Responding defensively to questions, exhibiting a lack of openness to critique, or being unwilling to acknowledge limitations can impact the overall impression.
  • Inability to address committee concerns or incorporate constructive feedback received during the defense may contribute to a negative outcome.
  • Comprehensive preparation is the cornerstone of success. Candidates should dedicate ample time to understanding every facet of their research, conducting mock defences, and seeking feedback.
  • Identify potential weaknesses in the research and address them proactively. Being aware of limitations and articulating plans for addressing them in future work demonstrates foresight.
  • Engage with mentors, peers, or advisors before the defence. Solicit constructive feedback on both the content and delivery of the presentation to refine and strengthen the defence.
  • Develop strategies to manage stress and nervousness. Techniques such as mindfulness, deep breathing, or visualization can be effective in maintaining composure during the defence.
  • Conduct a pre-defense review of all materials, ensuring that the presentation aligns with the dissertation and that visual aids are clear and supportive.
  • Approach the defence with an open and reflective attitude. Embrace critique as an opportunity for improvement rather than as a personal affront.
  • Clarify expectations with the examination committee beforehand. Understanding the committee’s focus areas and preferences can guide preparation efforts.
  • In the event of failure, candidates should approach the situation with resilience. Seek feedback from the committee, understand the reasons for the outcome, and use the experience as a springboard for improvement.

In summary, while the prospect of failing a PhD defence is uncommon, acknowledging its possibility and taking proactive steps to mitigate risks are crucial elements of a well-rounded defence strategy. By addressing common failure factors through thorough preparation, openness to critique, and a resilient attitude, candidates can increase their chances of a successful defence outcome.

PhD Defense or Defence?

  • The choice between “defense” and “defence” is primarily a matter of British English versus American English spelling conventions. “Defense” is the preferred spelling in American English, while “defence” is the British English spelling.
  • In the global academic community, both spellings are generally understood and accepted. However, the choice of spelling may be influenced by the academic institution’s language conventions or the preferences of individual scholars.
  • Academic institutions may have specific guidelines regarding language conventions, and candidates are often expected to adhere to the institution’s preferred spelling.
  • Candidates may also consider the preferences of their advisors or committee members. If there is a consistent spelling convention used within the academic department, it is advisable to align with those preferences.
  • Consideration should be given to the spelling conventions of scholarly journals in the candidate’s field. If intending to publish research stemming from the dissertation, aligning with the conventions of target journals is prudent.
  • If the defense presentation or dissertation will be shared with an international audience, using a more universally recognized spelling (such as “defense”) may be preferred to ensure clarity and accessibility.
  • Regardless of the chosen spelling, it’s crucial to maintain consistency throughout the document. Mixing spellings can distract from the content and may be perceived as an oversight.
  • In oral presentations and written correspondence related to the defence, including emails, it’s advisable to maintain consistency with the chosen spelling to present a professional and polished image.
  • Recognizing that language conventions can vary, candidates should approach the choice of spelling with flexibility. Being adaptable to the preferences of the academic context and demonstrating an awareness of regional variations reflects a nuanced understanding of language usage.
  • With the increasing globalization of academia, an awareness of language variations becomes essential. Scholars often collaborate across borders, and an inclusive approach to language conventions contributes to effective communication and collaboration.

In summary, the choice between “PhD defense” and “PhD defence” boils down to regional language conventions and institutional preferences. Maintaining consistency, being mindful of the target audience, and adapting to the expectations of the academic community contribute to a polished and professional presentation, whether in written documents or oral defences.

Is PhD Defense a Formality?

  • While the PhD defence is a structured and ritualistic event, it is far from being a mere formality. It is a critical and substantive part of the doctoral journey, designed to rigorously evaluate the candidate’s research contributions, understanding of the field, and ability to engage in scholarly discourse.
  • The defence is not a checkbox to be marked but rather a dynamic process where the candidate’s research is evaluated for its scholarly merit. The committee scrutinizes the originality, significance, and methodology of the research, aiming to ensure it meets the standards of advanced academic work.
  • Far from a passive or purely ceremonial event, the defence involves active engagement between the candidate and the examination committee. Questions, discussions, and debates are integral components that enrich the scholarly exchange during the defence.
  • The defence serves as a platform for the candidate to demonstrate the originality of their research. Committee members assess the novelty of the contributions, ensuring that the work adds value to the existing body of knowledge.
  • Beyond the content, the defence evaluates the methodological rigour of the research. Committee members assess whether the chosen methodology is appropriate, well-executed, and contributes to the validity of the findings.
  • Successful completion of the defence affirms the candidate’s ability to contribute meaningfully to the academic discourse in their field. It is an endorsement of the candidate’s position as a knowledgeable and respected scholar.
  • The defence process acts as a quality assurance mechanism in academia. It ensures that individuals awarded a doctoral degree have undergone a thorough and rigorous evaluation, upholding the standards of excellence in research and scholarly inquiry.
  • Institutions have specific criteria and standards for awarding a PhD. The defence process aligns with these institutional and academic standards, providing a consistent and transparent mechanism for evaluating candidates.
  • Successful completion of the defence is a pivotal moment that marks the transition from a doctoral candidate to a recognized scholar. It opens doors to further contributions, collaborations, and opportunities within the academic community.
  • Research presented during the defence often forms the basis for future publications. The validation received in the defence enhances the credibility of the research, facilitating its dissemination and impact within the academic community.
  • Beyond the academic realm, a successfully defended PhD is a key credential for professional advancement. It enhances one’s standing in the broader professional landscape, opening doors to research positions, teaching opportunities, and leadership roles.

In essence, the PhD defence is a rigorous and meaningful process that goes beyond formalities, playing a crucial role in affirming the academic merit of a candidate’s research and marking the culmination of their journey toward scholarly recognition.

Dressing for Success: PhD Defense Outfit

  • For Men: A well-fitted suit in neutral colours (black, navy, grey), a collared dress shirt, a tie, and formal dress shoes.
  • For Women: A tailored suit, a blouse or button-down shirt, and closed-toe dress shoes.
  • Dress codes can vary based on cultural expectations. It’s advisable to be aware of any cultural nuances within the academic institution and to adapt attire accordingly.
  • With the rise of virtual defenses, considerations for attire remain relevant. Even in online settings, dressing professionally contributes to a polished and serious demeanor. Virtual attire can mirror what one would wear in-person, focusing on the upper body visible on camera.
  • The attire chosen for a PhD defense contributes to the first impression that a candidate makes on the examination committee. A professional and polished appearance sets a positive tone for the defense.
  • Dressing appropriately reflects respect for the gravity of the occasion. It acknowledges the significance of the defense as a formal evaluation of one’s scholarly contributions.
  • Wearing professional attire can contribute to a boost in confidence. When individuals feel well-dressed and put-together, it can positively impact their mindset and overall presentation.
  • The PhD defense is a serious academic event, and dressing professionally fosters an atmosphere of seriousness and commitment to the scholarly process. It aligns with the respect one accords to academic traditions.
  • Institutional norms may influence dress expectations. Some academic institutions may have specific guidelines regarding attire for formal events, and candidates should be aware of and adhere to these norms.
  • While adhering to the formality expected in academic settings, individuals can also express their personal style within the bounds of professionalism. It’s about finding a balance between institutional expectations and personal comfort.
  • Select and prepare the outfit well in advance to avoid last-minute stress. Ensure that the attire is clean, well-ironed, and in good condition.
  • Accessories such as ties, scarves, or jewelry should complement the outfit. However, it’s advisable to keep accessories subtle to maintain a professional appearance.
  • While dressing professionally, prioritize comfort. PhD defenses can be mentally demanding, and comfortable attire can contribute to a more confident and composed demeanor.
  • Pay attention to grooming, including personal hygiene and haircare. A well-groomed appearance contributes to an overall polished look.
  • Start preparation well in advance of the defense date. Know your research inside out, anticipate potential questions, and be ready to discuss the nuances of your methodology, findings, and contributions.
  • Conduct mock defenses with peers, mentors, or colleagues. Mock defenses provide an opportunity to receive constructive feedback, practice responses to potential questions, and refine your presentation.
  • Strike a balance between confidence and humility. Confidence in presenting your research is essential, but being open to acknowledging limitations and areas for improvement demonstrates intellectual honesty.
  • Actively engage with the examination committee during the defense. Listen carefully to questions, respond thoughtfully, and view the defense as a scholarly exchange rather than a mere formality.
  • Understand the expertise and backgrounds of the committee members. Tailor your presentation and responses to align with the interests and expectations of your specific audience.
  • Practice time management during your presentation. Ensure that you allocate sufficient time to cover key aspects of your research, leaving ample time for questions and discussions.
  • It’s normal to feel nervous, but practicing mindfulness and staying calm under pressure is crucial. Take deep breaths, maintain eye contact, and focus on delivering a clear and composed presentation.
  • Have a plan for post-defense activities. Whether it’s revisions to the dissertation, publications, or future research endeavors, having a roadmap for what comes next demonstrates foresight and commitment to ongoing scholarly contributions.
  • After successfully defending, individuals often emphasize the importance of taking time to reflect on the entire doctoral journey. Acknowledge personal and academic growth, celebrate achievements, and use the experience to inform future scholarly pursuits.

In summary, learning from the experiences of others who have successfully defended offers a wealth of practical wisdom. These insights, combined with thoughtful preparation and a proactive approach, contribute to a successful and fulfilling defense experience.

You have plenty of career options after completing a PhD. For more details, visit my blog posts:

7 Essential Steps for Building a Robust Research Portfolio

Exciting Career Opportunities for PhD Researchers and Research Scholars

Freelance Writing or Editing Opportunities for Researchers A Comprehensive Guide

Research Consultancy: An Alternate Career for Researchers

The Insider’s Guide to Becoming a Patent Agent: Opportunities, Requirements, and Challenges

The journey from a curious researcher to a recognized scholar culminates in the PhD defence—an intellectual odyssey marked by dedication, resilience, and a relentless pursuit of knowledge. As we navigate the intricacies of this pivotal event, it becomes evident that the PhD defence is far more than a ceremonial rite; it is a substantive evaluation that validates the contributions of a researcher to the academic landscape.

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13 Tips to Prepare for Your PhD Dissertation Defense

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How well do you know your project? Years of experiments, analysis of results, and tons of literature study, leads you to how well you know your research study. And, PhD dissertation defense is a finale to your PhD years. Often, researchers question how to excel at their thesis defense and spend countless hours on it. Days, weeks, months, and probably years of practice to complete your doctorate, needs to surpass the dissertation defense hurdle.

In this article, we will discuss details of how to excel at PhD dissertation defense and list down some interesting tips to prepare for your thesis defense.

Table of Contents

What Is Dissertation Defense?

Dissertation defense or Thesis defense is an opportunity to defend your research study amidst the academic professionals who will evaluate of your academic work. While a thesis defense can sometimes be like a cross-examination session, but in reality you need not fear the thesis defense process and be well prepared.

Source: https://www.youtube.com/c/JamesHaytonPhDacademy

What are the expectations of committee members.

Choosing the dissertation committee is one of the most important decision for a research student. However, putting your dissertation committee becomes easier once you understand the expectations of committee members.

The basic function of your dissertation committee is to guide you through the process of proposing, writing, and revising your dissertation. Moreover, the committee members serve as mentors, giving constructive feedback on your writing and research, also guiding your revision efforts.

The dissertation committee is usually formed once the academic coursework is completed. Furthermore, by the time you begin your dissertation research, you get acquainted to the faculty members who will serve on your dissertation committee. Ultimately, who serves on your dissertation committee depends upon you.

Some universities allow an outside expert (a former professor or academic mentor) to serve on your committee. It is advisable to choose a faculty member who knows you and your research work.

How to Choose a Dissertation Committee Member?

  • Avoid popular and eminent faculty member
  • Choose the one you know very well and can approach whenever you need them
  • A faculty member whom you can learn from is apt.
  • Members of the committee can be your future mentors, co-authors, and research collaborators. Choose them keeping your future in mind.

How to Prepare for Dissertation Defense?

dissertation defense

1. Start Your Preparations Early

Thesis defense is not a 3 or 6 months’ exercise. Don’t wait until you have completed all your research objectives. Start your preparation well in advance, and make sure you know all the intricacies of your thesis and reasons to all the research experiments you conducted.

2. Attend Presentations by Other Candidates

Look out for open dissertation presentations at your university. In fact, you can attend open dissertation presentations at other universities too. Firstly, this will help you realize how thesis defense is not a scary process. Secondly, you will get the tricks and hacks on how other researchers are defending their thesis. Finally, you will understand why dissertation defense is necessary for the university, as well as the scientific community.

3. Take Enough Time to Prepare the Slides

Dissertation defense process harder than submitting your thesis well before the deadline. Ideally, you could start preparing the slides after finalizing your thesis. Spend more time in preparing the slides. Make sure you got the right data on the slides and rephrase your inferences, to create a logical flow to your presentation.

4. Structure the Presentation

Do not be haphazard in designing your presentation. Take time to create a good structured presentation. Furthermore, create high-quality slides which impresses the committee members. Make slides that hold your audience’s attention. Keep the presentation thorough and accurate, and use smart art to create better slides.

5. Practice Breathing Techniques

Watch a few TED talk videos and you will notice that speakers and orators are very fluent at their speech. In fact, you will not notice them taking a breath or falling short of breath. The only reason behind such effortless oratory skill is practice — practice in breathing technique.

Moreover, every speaker knows how to control their breath. Long and steady breaths are crucial. Pay attention to your breathing and slow it down. All you need I some practice prior to this moment.

6. Create an Impactful Introduction

The audience expects a lot from you. So your opening statement should enthrall the audience. Furthermore, your thesis should create an impact on the members; they should be thrilled by your thesis and the way you expose it.

The introduction answers most important questions, and most important of all “Is this presentation worth the time?” Therefore, it is important to make a good first impression , because the first few minutes sets the tone for your entire presentation.

7. Maintain Your Own List of Questions

While preparing for the presentation, make a note of all the questions that you ask yourself. Try to approach all the questions from a reader’s point of view. You could pretend like you do not know the topic and think of questions that could help you know the topic much better.

The list of questions will prepare you for the questions the members may pose while trying to understand your research. Attending other candidates’ open discussion will also help you assume the dissertation defense questions.

8. Practice Speech and Body Language

After successfully preparing your slides and practicing, you could start focusing on how you look while presenting your thesis. This exercise is not for your appearance but to know your body language and relax if need be.

Pay attention to your body language. Stand with your back straight, but relax your shoulders. The correct posture will give you the feel of self-confidence. So, observe yourself in the mirror and pay attention to movements you make.

9. Give Mock Presentation

Giving a trial defense in advance is a good practice. The most important factor for the mock defense is its similarity to your real defense, so that you get the experience that prepares for the actual defense.

10. Learn How to Handle Mistakes

Everyone makes mistakes. However, it is important to carry on. Do not let the mistakes affect your thesis defense. Take a deep breath and move on to the next point.

11. Do Not Run Through the Presentation

If you are nervous, you would want to end the presentation as soon as possible. However, this situation will give rise to anxiety and you will speak too fast, skipping the essential details. Eventually, creating a fiasco of your dissertation defense .

12. Get Plenty of Rest

Out of the dissertation defense preparation points, this one is extremely important. Obviously, sleeping a day before your big event is hard, but you have to focus and go to bed early, with the clear intentions of getting the rest you deserve.

13. Visualize Yourself Defending Your Thesis

This simple exercise creates an immense impact on your self-confidence. All you have to do is visualize yourself giving a successful presentation each evening before going to sleep. Everyday till the day of your thesis defense, see yourself standing in front of the audience and going from one point to another.

This exercise takes a lot of commitment and persistence, but the results in the end are worth it. Visualization makes you see yourself doing the scary thing of defending your thesis.

If you have taken all these points into consideration, you are ready for your big day. You have worked relentlessly for your PhD degree , and you will definitely give your best in this final step.

Have you completed your thesis defense? How did you prepare for it and how was your experience throughout your dissertation defense ? Do write to us or comment below.

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The tips are very useful.I will recomend it to our students.

Excellent. As a therapist trying to help a parent of a candidate, I am very impressed and thankful your concise, clear, action-oriented article. Thank you.

Thanks for your sharing. It is so good. I can learn a lot from your ideas. Hope that in my dissertation defense next time I can pass

The tips are effective. Will definitely apply them in my dissertation.

My dissertation defense is coming up in less than two weeks from now, I find this tips quite instructive, I’ll definitely apply them. Thank you so much.

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Preparing for your thesis defence

As you start thinking about the end stages of your PhD, it’s important to understand the processes and timelines related to the thesis defence.

Even if your defence feels far away, there are steps you can take early on in order to ensure that the end of your PhD and defence process runs smoothly.

Jump to: What is a PhD defence? | Who's at the defence? | What happens at the defence? | What are the possible outcomes of the defence?  

What is a PhD defence?

The thesis defence is a unique opportunity to share with other experts what you did as part of your PhD research, what you found or discovered, and why it’s important. Although there are a lot of regulations guiding the defence process, remember that this process is really about you and your work.  

Goals of the PhD defence:

  • Allow you to show your mastery of the subject matter
  • Prove you are the author of the world
  • Demonstrate your ability to engage in scholarly discourse in your research area

Who's at the PhD defence?

The primary attendees of your PhD defence are the Chair of the defense and your examining committee. The Chair is an impartial faculty member from outside your department who is well-versed in the rules and proceedings of thesis examinations. The Chair does not question you and does not assess your work.

Examining committee:

  • Supervisor(s) - Your thesis supervisor(s) that have supervised your research.
  • Internal member - A member of your department; typically part of your advisory committee.
  • Internal/external member - An "internal" member of the university, but "external" to your home department. This person has suitable knowledge of the subject matter, even though they are from another discipline.
  • Additional member - Typically a member from your advisory committee.
  • External examiner - A person with a doctoral degree and expertise in the subject matter who evaluates the thesis from a fair an impartial perspective.

At University of Waterloo, it is also standard to have defences open to the public, so you can invite your friends, family and colleagues to be there! Check with your department to figure out what options are available to you.  

In some cases, such as when there are intellectual property concerns, a closed thesis examination can be requested. This means that all those in attendance at the thesis examination, including the examining committee members, must sign a non-disclosure agreement.  Closed examinations must be requested as early as possible.

What happens at the defence?

The first component of the defence is the welcome. The Chair will open up the defence, go over the order of proceedings, introduce the examining committee, and welcome the attendees.

After the welcome, the examination will formally begin with your oral presentation. The presentation is no more than 30 minutes, but the exact length and format can vary by department or discipline. It's best to check with your supervisor to confirm departmental expectations, but overall, the presentation should focus on your main contributions and conclusions. 

The final component of the defence is the questioning period. This is not meant to be an interrogation, rather, a discussion amongst colleagues about the subject of your thesis.

  • The examination Chair monitors the question period, which goes in "rounds".
  • During the first round of questioning, each committee member will have 15 minutes to ask their questions, provide their comments, and discuss these with you.
  • After each committee member has had their turn to ask questions, there may be additional rounds for more questions. The Chair and committee decide when the questions will end.
  • Typically, the Chair will reserve some time at the end to accept questions from non-committee members.

While there is no set time for defences at the University of Waterloo, they typically range from 2-3 hours. 

What are the possible outcomes?

Once your formal defence has concluded, the examination Chair will arrange for a private deliberation between the committee members. The examination committee's decision is ultimately based on your written thesis, as well as your ability to defend it, as the decision is determined by a majority vote.

In the event of a tie decision, or if the external examiner's vote is not in the majority, the decision will be deferred to the Associate Vice President (AVP), Graduate Studies and Postdoctoral Affairs. The AVP will consult the Faculty Associate Deans and come to a final decision. 

Once the deliberation has concluded, the Chair will inform you of your examining committee's decision.

There are three possible outcomes to a PhD defence:

  • Accepted: The thesis is completed to the satisfaction of the examining committee. There may still revisions required, but they are likely minor and typographical or editorial in nature. In this case, you would have one month to complete all revisions and submit your approve thesis to UWspace.
  • Accepted conditionally: The oral defence and the thesis are acceptable, but content changes are required that are time intensive. In this case, you would have four months to complete revisions to the approval of your committee and submit the final version to UWspace. A re-examination is not required. 
  • Re-examination: The oral defence is not to the satisfaction of the committee and/or substantial changes to the thesis are required. In this case, the candidate must be re-examined within 1 year. 

Re-examination is very rare, and the vast majority of candidates have their thesis accepted at their first examination.

Related links

  • Thesis and defence
  • Timeline to defence
  • Successful defence tips
  • Remote defence tips

thesis defense phd

Preparing For Your Dissertation Defense

13 Key Questions To Expect In The Viva Voce

By: Derek Jansen (MBA) & David Phair (PhD) . Reviewed By: Dr Eunice Rautenbach | June 2021

Preparing for your dissertation or thesis defense (also called a “viva voce”) is a formidable task . All your hard work over the years leads you to this one point, and you’ll need to defend yourself against some of the most experienced researchers you’ve encountered so far.

It’s natural to feel a little nervous.

In this post, we’ll cover some of the most important questions you should be able to answer in your viva voce, whether it’s for a Masters or PhD degree. Naturally, they might not arise in exactly the same form (some may not come up at all), but if you can answer these questions well, it means you’re in a good position to tackle your oral defense.

Dissertation and thesis defense 101

Viva Voce Prep: 13 Essential Questions

  • What is your study about and why did you choose to research this in particular?
  • How did your research questions evolve during the research process?
  • How did you decide on which sources to include in your literature review?
  • How did you design your study and why did you take this approach?
  • How generalisable and valid are the findings?
  • What were the main shortcomings and limitations created by your research design?
  • How did your findings relate to the existing literature?
  • What were your key findings in relation to the research questions?
  • Were there any findings that surprised you?
  • What biases may exist in your research?
  • How can your findings be put into practice?
  • How has your research contributed to current thinking in the field?
  • If you could redo your research, how would you alter your approach?

#1: What is your study about and why did you choose to research this in particular?

This question, a classic party starter, is pretty straightforward.

What the dissertation or thesis committee is assessing here is your ability to clearly articulate your research aims, objectives and research questions in a concise manner. Concise is the keyword here – you need to clearly explain your research topic without rambling on for a half-hour. Don’t feel the need to go into the weeds here – you’ll have many opportunities to unpack the details later on.

In the second half of the question, they’re looking for a brief explanation of the justification of your research. In other words, why was this particular set of research aims, objectives and questions worth addressing? To address this question well in your oral defense, you need to make it clear what gap existed within the research and why that gap was worth filling.

#2: How did your research questions evolve during the research process?

Good research generally follows a long and winding path . It’s seldom a straight line (unless you got really lucky). What they’re assessing here is your ability to follow that path and let the research process unfold.

Specifically, they’ll want to hear about the impact that the literature review process had on you in terms of shaping the research aims, objectives and research questions . For example, you may have started with a certain set of aims, but then as you immersed yourself in the literature, you may have changed direction. Similarly, your initial fieldwork findings may have turned out some unexpected data that drove you to adjust or expand on your initial research questions.

Long story short – a good defense involves clearly describing your research journey , including all the twists and turns. Adjusting your direction based on findings in the literature or the fieldwork shows that you’re responsive , which is essential for high-quality research.

You will need to explain the impact of your literature review in the defense

#3: How did you decide on which sources to include in your literature review?

A comprehensive literature review is the foundation of any high-quality piece of research. With this question, your dissertation or thesis committee are trying to assess which quality criteria and approach you used to select the sources for your literature review.

Typically, good research draws on both the seminal work in the respective field and more recent sources . In other words, a combination of the older landmark studies and pivotal work, along with up-to-date sources that build on to those older studies. This combination ensures that the study has a rock-solid foundation but is not out of date.

So, make sure that your study draws on a mix of both the “classics” and new kids on the block, and take note of any major evolutions in the literature that you can use as an example when asked this question in your viva voce.

#4: How did you design your study and why did you take this approach?

This is a classic methodological question that you can almost certainly expect in some or other shape.

What they’re looking for here is a clear articulation of the research design and methodology, as well as a strong justification of each choice . So, you need to be able to walk through each methodological choice and clearly explain both what you did and why you did it. The why is particularly important – you need to be able to justify each choice you made by clearly linking your design back to your research aims, objectives and research questions, while also taking into account practical constraints.

To ensure you cover every base, check out our research methodology vlog post , as well as our post covering the Research Onion .

You have to justify every choice in your dissertation defence

#5: How generalizable and valid are the findings?

This question is aimed at specifically digging into your understanding of the sample and how that relates to the population, as well as potential validity issues in your methodology.

To answer question this well, you’ll need to critically assess your sample and findings and consider if they truly apply to the entire population, as well as whether they assessed what they set out to. Note that there are two components here – generalizability and validity . Generalizability is about how well the sample represents the population. Validity is about how accurately you’ve measured what you intended to measure .

To ace this part of your dissertation defense, make sure that you’re very familiar with the concepts of generalizability , validity and reliability , and how these apply to your research. Remember, you don’t need to achieve perfection – you just need to be aware of the strengths and weaknesses of your research (and how the weaknesses could be improved upon).

Need a helping hand?

thesis defense phd

#6: What were the main shortcomings and limitations created by your research design?

This question picks up where the last one left off.

As I mentioned, it’s perfectly natural that your research will have shortcomings and limitations as a result of your chosen design and methodology. No piece of research is flawless. Therefore, a good dissertation defense is not about arguing that your work is perfect, but rather it’s about clearly articulating the strengths and weaknesses of your approach.

To address this question well, you need to think critically about all of the potential weaknesses your design may have, as well as potential responses to these (which could be adopted in future research) to ensure you’re well prepared for this question. For a list of common methodological limitations, check out our video about research limitations here .

#7: How did your findings relate to the existing literature?

This common dissertation defense question links directly to your discussion chapter , where you would have presented and discussed the findings in relation to your literature review.

What your dissertation or thesis committee is assessing here is your ability to compare your study’s findings to the findings of existing research . Specifically, you need to discuss which findings aligned with existing research and which findings did not. For those findings that contrasted against existing research, you should also explain what you believe to be the reasons for this.

As with many questions in a viva voce, it’s both the what and the why that matter here. So, you need to think deeply about what the underlying reasons may be for both the similarities and differences between your findings and those of similar studies.

Your dissertation defense needs to compare findings

#8: What were your key findings in relation to the research questions?

This question is similar to the last one in that it too focuses on your research findings. However, here the focus is specifically on the findings that directly relate to your research questions (as opposed to findings in general).

So, a good way to prepare for this question is to step back and revisit your research questions . Ask yourself the following:

  • What exactly were you asking in those questions, and what did your research uncover concerning them?
  • Which questions were well answered by your study and which ones were lacking?
  • Why were they lacking and what more could be done to address this in future research?

Conquering this part dissertation defense requires that you focus squarely on the research questions. Your study will have provided many findings (hopefully!), and not all of these will link directly to the research questions. Therefore, you need to clear your mind of all of the fascinating side paths your study may have lead you down and regain a clear focus on the research questions .

#9: Were there any findings that surprised you?

This question is two-pronged.

First, you should discuss the surprising findings that were directly related to the original research questions . Going into your research, you likely had some expectations in terms of what you would find, so this is your opportunity to discuss the outcomes that emerged as contrary to what you initially expected. You’ll also want to think about what the reasons for these contrasts may be.

Second, you should discuss the findings that weren’t directly related to the research questions, but that emerged from the data set . You may have a few or you may have none – although generally there are a handful of interesting musings that you can glean from the data set. Again, make sure you can articulate why you find these interesting and what it means for future research in the area.

What the committee is looking for in this type of question is your ability to interpret the findings holistically and comprehensively , and to respond to unexpected data. So, take the time to zoom out and reflect on your findings thoroughly.

Discuss the findings in your defense

#10: What biases may exist in your research?

Biases… we all have them.

For this question, you’ll need to think about potential biases in your research , in the data itself but also in your interpretation of the data. With this question, your committee is assessing whether you have considered your own potential biases and the biases inherent in your analysis approach (i.e. your methodology). So, think carefully about these research biases and be ready to explain how these may exist in your study.

In an oral defense, this question is often followed up with a question on how the biases were mitigated or could be mitigated in future research. So, give some thought not just to what biases may exist, but also the mitigation measures (in your own study and for future research).

#11: How can your findings be put into practice?

Another classic question in the typical viva voce.

With this question, your committee is assessing your ability to bring your findings back down to earth and demonstrate their practical value and application. Importantly, this question is not about the contribution to academia or the overall field of research (we’ll get to that next) – it is specifically asking about how this newly created knowledge can be used in the real world.

Naturally, the actionability of your findings will vary depending on the nature of your research topic. Some studies will produce many action points and some won’t. If you’re researching marketing strategies within an industry, for example, you should be able to make some very specific recommendations for marketing practitioners in that industry.

To help you flesh out points for this question, look back at your original justification for the research (i.e. in your introduction and literature review chapters). What were the driving forces that led you to research your specific topic? That justification should help you identify ways in which your findings can be put into practice.

#12: How has your research contributed to current thinking in the field?

While the previous question was aimed at practical contribution, this question is aimed at theoretical contribution . In other words, what is the significance of your study within the current body of research? How does it fit into the existing research and what does it add to it?

This question is often asked by a field specialist and is used to assess whether you’re able to place your findings into the research field to critically convey what your research contributed. This argument needs to be well justified – in other words, you can’t just discuss what your research contributed, you need to also back each proposition up with a strong why .

To answer this question well, you need to humbly consider the quality and impact of your work and to be realistic in your response. You don’t want to come across as arrogant (“my work is groundbreaking”), nor do you want to undersell the impact of your work. So, it’s important to strike the right balance between realistic and pessimistic .

This question also opens the door to questions about potential future research . So, think about what future research opportunities your study has created and which of these you feel are of the highest priority.

Discuss your contribution in your thesis defence

#13: If you could redo your research, how would you alter your approach?

This question is often used to wrap up a viva voce as it brings the discussion full circle.

Here, your committee is again assessing your ability to clearly identify and articulate the limitations and shortcomings of your research, both in terms of research design and topic focus . Perhaps, in hindsight, it would have been better to use a different analysis method or data set. Perhaps the research questions should have leaned in a slightly different direction. And so on.

This question intends to assess whether you’re able to look at your work critically , assess where the weaknesses are and make recommendations for the future . This question often sets apart those who did the research purely because it was required, from those that genuinely engaged with their research. So, don’t hold back here – reflect on your entire research journey ask yourself how you’d do things differently if you were starting with a  blank canvas today.

Recap: The 13 Key Dissertation Defense Questions

To recap, here are the 13 questions you need to be ready for to ace your dissertation or thesis oral defense:

As I mentioned, this list of dissertation defense questions is certainly not exhaustive – don’t assume that we’ve covered every possible question here. However, these questions are quite likely to come up in some shape or form in a typical dissertation or thesis defense, whether it’s for a Master’s degree, PhD or any other research degree. So, you should take the time to make sure you can answer them well.

If you need assistance preparing for your dissertation defense or viva voce, get in touch with us to discuss 1-on-1 coaching. We can critically review your research and identify potential issues and responses, as well as undertake a mock oral defense to prepare you for the pressures and stresses on the day.

thesis defense phd

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14 Comments

Jalla Dullacha

Very interesting

Fumtchum JEFFREY

Interesting. I appreciate!

Dargo Haftu

Really appreciating

My field is International Trade

Abera Gezahegn

Interesting

Peter Gumisiriza

This is a full course on defence. I was fabulously enlightened and I gained enough confidence for my upcoming Masters Defence.

There are many lessons to learn and the simplicity in presentationmakes thee reader say “YesI can”

Milly Nalugoti

This is so helping… it has Enlightened me on how to answer specific questions. I pray to make it through for my upcoming defense

Derek Jansen

Lovely to hear that 🙂

bautister

Really educative and beneficial

Tweheyo Charles

Interesting. On-point and elaborate. And comforting too! Thanks.

Ismailu Kulme Emmanuel

Thank you very much for the enlightening me, be blessed

Gladys Oyat

Thankyou so much. I am planning to defend my thesis soon and I found this very useful

Augustine Mtega

Very interesting and useful to all masters and PhD students

Gonzaga

Wow! this is enlightening. Thanks for the great work.

grace pahali

Thank you very much ,it will help me My Master Degree. and am comfortable to my defense.

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thesis defense phd

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PhD Dissertation Defense Slides Design: Start

  • Tips for designing the slides
  • Presentation checklist
  • Example slides
  • Additional Resources

Purpose of the Guide

This guide was created to help ph.d. students in engineering fields to design dissertation defense presentations. the guide provides 1) tips on how to effectively communicate research, and 2) full presentation examples from ph.d. graduates. the tips on designing effective slides are not restricted to dissertation defense presentations; they can be used in designing other types of presentations such as conference talks, qualification and proposal exams, and technical seminars., the tips and examples are used to help students to design effective presentation. the technical contents in all examples are subject to copyright, please do not replicate. , if you need help in designing your presentation, please contact julie chen ([email protected]) for individual consultation. .

  • Example Slides Repository
  • Defense slides examples Link to examples dissertation defense slides.

Useful Links

  • CIT Thesis and dissertation standards
  • Dissertations and Theses @ Carnegie Mellon This link opens in a new window Covers 1920-present. Full text of some dissertations may be available 1997-present. Citations and abstracts of dissertations and theses CMU graduate students have published through UMI Dissertation Publishing. In addition to citations and abstracts, the service provides free access to 24 page previews and the full text in PDF format, when available. In most cases, this will be works published in 1997 forward.
  • Communicate your research data Data visualization is very important in communicating your data effectively. Check out these do's and don'ts for designing figures.

Power Point Template and other Resources

  • CEE Powerpoint Slide Presentation Template 1
  • CEE Powerpoint Slide Presentation Template 2

Source: CEE Department Resources https://www.cmu.edu/cee/resources/index.html

  • CMU Powerpoint Slide Template

Source: CMU Marketing and Communications

https://www.cmu.edu/marcom/brand-standards/downloads/index.html

  • Use of CMU logos, marks, and Unitmarks

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Top 7 tips for your defense presentation

1. show why your study is important, remember, your audience is your committee members, researchers in other fields, and even the general public. you want to convince all of them why you deserve a ph.d. degree. you need to talk about why your study is important to the world. in the engineering field, you also need to talk about how your study is useful. try to discuss why current practice is problematic or not good enough, what needs to be solved, and what the potential benefits will be. , see how dr. posen and dr. malings explained the importance of their studies..

  • Carl Malings Defense Slides with Notes
  • I. Daniel Posen Defense Slides with Notes

2. Emphasize YOUR contribution 

Having a ph.d. means that you have made some novel contributions to the grand field. this is about you and your research. you need to keep emphasizing your contributions throughout your presentation. after talking about what needs to be solved, try to focus on emphasizing the novelty of your work. what problems can be solved using your research outcomes what breakthroughs have you made to the field why are your methods and outcomes outstanding you need to incorporate answers to these questions in your presentation. , be clear what your contributions are in the introduction section; separate what was done by others and what was done by you. , 3. connect your projects into a whole piece of work, you might have been doing multiple projects that are not strongly connected. to figure out how to connect them into a whole piece, use visualizations such as flow charts to convince your audience. the two slides below are two examples. in the first slide, which was presented in the introduction section, the presenter used a flow diagram to show the connection between the three projects. in the second slide, the presenter used key figures and a unique color for each project to show the connection..

thesis defense phd

  • Xiaoju Chen Defense Slides with Notes

4. Tell a good story 

The committee members do not necessarily have the same background knowledge as you. plus, there could be researchers from other fields and even the general public in the room. you want to make sure all of your audience can understand as much as possible. focus on the big picture rather than technical details; make sure you use simple language to explain your methods and results. your committee has read your dissertation before your defense, but others have not. , dr. cook and dr. velibeyoglu did a good job explaining their research to everyone. the introduction sessions in their presentations are well designed for this purpose. .

  • Laren M. Cook Defense Slides with Notes
  • Irem Velibeyoglu Defense with Notes

5. Transition, transition, transition

Use transition slides to connect projects , it's a long presentation with different research projects. you want to use some sort of transition to remind your audience what you have been talking about and what is next. you may use a slide that is designed for this purpose throughout your presentation. , below are two examples. these slides were presented after the introduction section. the presenters used the same slides and highlighted the items for project one to indicate that they were moving on to the first project. throughout the presentation, they used these slides and highlighted different sections to indicate how these projects fit into the whole dissertation. .

thesis defense phd

You can also use some other indications on your slides, but remember not to make your slides too busy.  Below are two examples. In the first example, the presenter used chapter numbers to indicate what he was talking about. In the second example, the presenter used a progress bar with keywords for each chapter as the indicator. 

thesis defense phd

Use transition sentences to connect slides 

Remember transition sentences are also important; use them to summarize what you have said and tell your audience what they will expect next. if you keep forgetting the transition sentence, write a note on your presentation. you can either write down a full sentence of what you want to say or some keywords., 6. be brief, put details in backup slides , you won't have time to explain all of the details. if your defense presentation is scheduled for 45 minutes, you can only spend around 10 minutes for each project - that's shorter than a normal research conference presentation focus on the big picture and leave details behind. you can put the details in your backup slides, so you might find them useful when your committee (and other members of the audience) ask questions regarding these details., 7. show your presentation to your advisor and colleagues, make sure to ask your advisor(s) for their comments. they might have a different view on what should be emphasized and what should be elaborated. , you also want to practice at least once in front of your colleagues. they can be your lab mates, people who work in your research group, and/or your friends. they do not have to be experts in your field. ask them to give you some feedback - their comments can be extremely helpful to improve your presentation. , below are some other tips and resources to design your defense presentation. .

  • Tips for designing your defense presentation

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Work with us, advertise with us, run a webinar, sponsored posts, write an article, create a talk, stories, advice and support for your academic journey., from nerves to triumph: your personal guide to dissertation defense.

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  • August 26, 2023
  • Aberystwyth University
  • Dissertation Defence/ Viva , Mental Health , Thesis and Dissertation , Thesis Tips , Wellbeing

thesis defense phd

Picture this: after countless hours of research, writing, and refining, you’re now standing on stage with your cohort, in a gown and funny hat, because … you’ve finally completed that last important milestone in your academic journey – defending your doctoral dissertation. It’s a culmination of years of dedication, determination, and sleepless nights.     You’re not there yet—but you’re close. So how do you make it past this final, nerve-wracking hurdle?  

In this article, we’ll deep-dive into the dissertation defense process, with tips, strategies, and straight-up information. I’ll share my expertise as a coach whose job it is to get people up on that stage.  

What to expect during the dissertation defense

A dissertation defense typically consists of an oral presentation to your dissertation committee, who have already received and read the final draft of your dissertation manuscript. Other members of your cohort and institution, and outside readers or experts, might also be present in the audience.  

Without fail, I see two different reactions to this news from my coaching students: either they are terrified of having their work scrutinized by their committee in public, or they are extremely laid back, knowing that they’ve already done all the hard work in the manuscript. (These later students are the ones paying attention to me).  

You probably already know the general gist of what happens in a defense presentation: you present the highlights of your study, the committee ask questions, and then they vote on whether you pass or need to complete further revision. So, here are some things you might not yet know:

• The oral defense gives the committee the opportunity to ask you about any areas of your study that are still unclear or weak on paper – so that you can prove they are not unclear or weak in real life. In other words, it’s a chance to get anything that got stuck in your head (rather than making it on to paper) out and in front of your committee.

• Your chair or supervisor and committee should not be allowing you to complete the defense process unless they are already confident that the biggest issues with your work have already been resolved.

• Questions are normal – your committee are working with you because your work interests them (hopefully), so questions are as likely to indicate their excitement about your work as a problem they have spotted.

• Revisions are normal – from requests to polish the grammar to insisting you add more supporting sources or develop your recommendations more thoroughly, “pass with revisions” is a normal, common, and expected end result. To pass with no revisions is pretty rare (although I have had a few students achieve this – looking at you, YY!) – like getting 100% on a calculus test in school.

In short, your defense presentation is nothing to be scared of. You are lined up for defense because both you and your committee feel you know your stuff, and now all you need to do is share what you’ve produced and learned and engage people in discussion about it. You got this!

Preparing for Your Dissertation Defense

Still nervous? Ok, that’s fair enough. As with many things, good preparation can help you get those nerves under control, so here are some top tips to help you get ready.

Tick the Boxes

It’s essential to understand the requirements and expectations of your defense committee. Get familiar with the specific guidelines and procedures set by your institution, and make sure you meet all necessary criteria. If you’re giving them what they ask for, you are definitely off to a strong start.

Know Your Stuff

This defense is about you showing off what you know, so before you stand up in front of the crown, take a deep dive into your own research masterpiece. Thoroughly review your dissertation, scrutinizing each chapter, section, and argument. Make notes. Look for anything that might provoke questions or debate. Remember, this is your opportunity to showcase your expertise and demonstrate the depth of your knowledge.

Seek Wise Counsel

Your advisor and committee members are the best resources you could ask for about defense. They set the guidelines, and they judge whether you have done well. Reach out to them for guidance, feedback, and advice—their collective wisdom and support can be instrumental in honing your presentation. And, if they are not all that … well, remember there are others out there who can help, including coaches, mentors, and past students.

Just like any performance, practice makes perfect. Take the time to rehearse your presentation multiple times, refining your delivery and strengthening your command over the content. By doing so, you’ll build confidence and ensure a smoother delivery when the day arrives. Even more importantly, you’ll settle the key points of your study firmly in your brain, making sure you sound like the expert you are.

Anticipate the Unknown

Obviously, you can’t predict every question or comment that will come up during your defense. However, you can still prepare yourself for potential challenges. Get cozy with the research landscape in your field and the interests of your committee members. Step outside of your own perspective and view your work through a stranger’s eyes to anticipate areas of critique or alternative viewpoints. This will enable you to respond thoughtfully and demonstrate your ability to engage in scholarly discourse.

Managing Nerves and Anxiety

You know what’s coming and you know how to prepare – are you still nervous? If so, know that that is completely normal. Here’s how me and two of my students got their dissertation defense nerves under control.

An Awesome Supervisor

For my own dissertation defense (known as a viva voce in the UK), I was incredibly lucky to have a supervisor with whom I had a strong, supportive, and nurturing relationship. Although the main examination of my work was handled by the external reader, who sat across from me behind a big desk, my supervisor sat behind him and nodded and smiled encouragingly every time I said something. Words can’t describe how much that calmed me down and gave me confidence. If you are as lucky as me and have an awesome supervisor, tell your nerves they can stand down – your supervisor’s got your back!

You Can Get Used to Anything

One of my students, who graduated last year, suffered from terrible defense nerves because she was worried about holding so much complex information in her head and delivering it coherently. Her solution? She practiced endlessly, over the course of about a month.

With me as her coach playing the role of audience, or with her kids and other family members, her cohort peers, her dog, and even other academics, she presented that study until she could do so in her sleep. The point was that, by the time the actual defense day rolled around, presenting the study to people was comfortable, familiar territory. Done and dusted!

Temporary Denial

Another student, who graduated shortly after, took completely the opposite approach to managing dissertation defense nerves. This student was burnt out from a huge rush to meet an unexpectedly tight deadline for the final manuscript when her chair decided to retire at the last minute. Rather than burn herself out further, she hit send on the manuscript, paid a designer to polish the design of the presentation rough draft, and then shut down her devices and went on holiday with her family. For one week, she did not look at or talk about her research at all. Instead, she sat on the beach, ate ice cream, and scrolled Instagram (probably). Then, she returned to work (a week before the presentation), refreshed and feeling excited about her work again. The break enabled her to practice and prepare in a calm frame of mind.

Some Parting Thoughts

I won’t walk you through the other obvious stuff, like what makes a good presentation PowerPoint or how body language and appearance can improve your presentation skills—that stuff is what Google is for. You’re an expert by now at finding the information you need, so get out there and find it. However, know that if you need help getting ready for your defense, there are definitely humans around you (and some dogs) who want to help – whether that’s your chair, your family, or a coach like me. I recommend you find them now and let them tell you just how ready for this you are.

Jennifer Harrison

thesis defense phd

Mixed Methods PhDs: An Applied Guide

Are you thinking about using mixed methods (both quantitative and qualitative data) in your PhD? This article guides you through different ways of doing mixed methods PhD research, from proposal writing to collecting and analysing data. It emphasises the importance of rigor in mixed methods research and how to achieve this.

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To Be or Not To Be (a Reviewer 2): Should I Review Articles as a PhD Student?

For the wheels to continue turning in research, we need reviewers. Although often a thankless endeavour (littered with Reviewer 2 jokes), acting as a gatekeeper for the integrity of your research field remains vital. As a PhD student, you may find the process of reviewing a manuscript pretty novel, but a reviewer request email may enter your inbox in the near future. This article guides you through the pros and cons of reviewing articles.

thesis defense phd

‘Stairway to Lecture’: A Roadmap to Progress from PhD to Lecturer

Landing a lecturing role after a PhD can be difficult, and rejection is commonplace. To lower the chances of rejection, it is important to focus on your career planning and gain experience as early into your PhD as possible. Therefore, if you are serious about becoming a lecturer, here are four things you can start doing now.

All views expressed are those of the individual authors and do not reflect the views of The PhD Place Ltd. See our Disclaimer

The PhD Place Ltd Is A Registered Limited Company In England & Wales, Number 14300924. Our registered address is 167-169 Great Portland Street, 5th Floor, London, England, W1W 5PF

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How to Prepare for Your Dissertation Defense

How to Prepare for Your Dissertation Defense

4-minute read

  • 1st August 2023

After years of research and study, you’ve finally reached the grand finale of your PhD years: your dissertation defense. Since defending your dissertation is the culmination of all your hard work, it’s essential to do everything you can to prepare for it.

In this post, we’ll take you through how to ready yourself for your dissertation defense so you can focus on your accomplishments and excel during this crucial professional moment.

What is a Dissertation Defense? 

The dissertation defense is the crowning moment of years of research – the final examination before a PhD student is awarded their doctoral degree.

During a dissertation defense, the student presents their research, methodology, findings, and conclusions to a committee of faculty members and experts in their field. The committee then engages in a question-and-answer session to assess the student’s understanding of the subject matter, the quality of their research, and their ability to defend their work under scrutiny.

Many PhD students consider it to be the defining moment of their academic career and their chance to prove their expertise in their chosen research field.

If all this sounds overwhelming – don’t worry. If you’re a PhD student, you’ll have plenty of time and opportunity to adequately prepare for your dissertation defense. Below are some strategies to help you get ready for this significant occasion in your career.

1.   Know the Requirements

Familiarize yourself with your institution’s guidelines and requirements for the defense process. Understanding the format, time limit, and expectations for the presentation will help you to prepare your material and anticipate any issues.

2.   Review Your Dissertation

Even if you think you know it inside and out, review your dissertation from beginning to end. It may have been some time since you’ve last read and considered certain portions of your research and findings. Consider what your committee might ask about your research questions , data analysis, and conclusions.

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3.   Work on Starting Strong

To begin your defense on a strong note, work on creating a clear and engaging introduction. You can start by briefly outlining the purpose of your study, research questions, and methodology . Try to stay on topic and don’t veer off track by discussing unrelated or unnecessary information.

4.   Practice Presenting

Practice your presentation skills by rehearsing your defense multiple times. Focus on clarity and pacing and try to stay within the allotted time limit. It also helps to record yourself so that you can see yourself from your audience’s point of view.

5.   Practice Q&A Sessions

To build your confidence, enlist friends and colleagues to conduct mock question-and-answer sessions. When practicing, remember to pause before answering questions you’re unsure of. It’s better to take your time delivering a response than it is to give an inaccurate or incorrect answer.

6.   Seek Feedback

Find out if your institution offers mock defense sessions where peers or mentors play the role of the committee, ask you questions, and give feedback . You can also have colleagues, mentors, or advisors review your presentation and offer practical feedback.

7.   Create Visual Aids

Think about any visual aids , such as slides, you may want to use to illustrate your defense and prepare them in advance. Be sure to check that your university allows visuals or images and that they enhance, rather than overwhelm, your presentation.

8.   Stay Calm and Confident

It’s natural to feel nervous but try to stay calm and composed during your defense. Take deep breaths and remind yourself of the expertise you’ve gained through the experience of writing your dissertation.

Expert Proofreading Services

The best way to prepare for your dissertation defense is to have your dissertation professionally proofread. Our editing experts have extensive experience with a wide variety of academic subjects and topics and can help ensure your dissertation is ready for presentation. Send in a free sample of 500 words or less and get started today.

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thesis defense phd

  • PhD Viva Voces – A Complete Guide
  • Doing a PhD
  • A PhD viva involves defending your thesis in an oral examination with at least two examiners.
  • The aim of a PhD viva is to confirm that the work is your own , that you have a deep understanding of your project and, overall, that you are a competent researcher .
  • There are no standard durations, but they usually range from one to three hours, with most lasting approximately two hours .
  • There are six outcomes of a PhD viva: (1) pass without corrections (2) pass subject to minor corrections, (3) pass subject to major corrections, (4) downgrade to MPhil with no amendments, (5) downgrade to MPhil subject to amendments, (6) immediate fail.
  • Almost all students who sit their viva pass it, with the most common outcome being ‘(2) – pass subject to minor corrections’.

What Is a PhD Viva?

A viva voce , more commonly referred to as ‘viva’, is an oral examination conducted at the end of your PhD and is essentially the final hurdle on the path to a doctorate. It is the period in which a student’s knowledge and work are evaluated by independent examiners.

In order to assess the student and their work around their research question, a viva sets out to determine:

  • you understand the ideas and theories that you have put forward,
  • you can answer questions about elements of your work that the examiners have questions about,
  • you understand the broader research in your field and how your work contributes to this,
  • you are aware of the limitations of your work and understand how it can be developed further,
  • your work makes an original contribution, is your own and has not been plagiarised.

Note: A viva is a compulsory procedure for all PhD students, with the only exception being when a PhD is obtained through publication as opposed to the conventional route of study.

Who Will Attend a Viva?

In the UK, at least two examiners must take part in all vivas. Although you could have more than two examiners, most will not in an attempt to facilitate a smoother questioning process.

One of the two examiners will be internal, i.e. from your university, and the other will be external, i.e. from another university. Regardless, both will be knowledgeable in your research field and have read your thesis beforehand.

In addition to your two examiners, two other people may be present. The first is a chairperson. This is an individual who will be responsible for monitoring the interview and for ensuring proper conduct is followed at all times. The need for an external chairperson will vary between universities, as one of the examiners can also take on this role. The second is your supervisor, whose attendance is decided upon by you in agreement with your examiners. If your supervisor attends, they are prohibited from asking questions or from influencing the outcome of the viva.

To avoid any misunderstandings, we have summarised the above in a table:

Examiners Mandatory and minimum of 2 Your supervisor Yes
Chairperson Optional Your university No
Your Supervisor Optional You, in agreement of both examiners No

Note: In some countries, such as in the United States, a viva is known as a ‘PhD defense’ and is performed publicly in front of a panel or board of examiners and an open audience. In these situations, the student presents their work in the form of a lecture and then faces questions from the examiners and audience which almost acts as a critical appraisal.

How Long Does a Viva Last?

Since all universities have different guidelines , and since all PhDs are unique, there are no standard durations. Typically, however, the duration ranges from one to three hours, with most lasting approximately two hours.

Your examiners will also influence the duration of your viva as some will favour a lengthy discussion, while others may not. Usually, your university will consult your examiners in advance and notify you of the likely duration closer to the day of your viva.

What Happens During a Viva?

Regardless of the subject area, all PhD vivas follow the same examination process format as below.

Introductions

You will introduce yourselves to each other, with the internal examiner normally introducing the external examiner. If an external chairperson is present, they too are introduced; otherwise, this role will be assumed by one of the examiners.

Procedure Explained

After the introductions, the appointed chair will explain the viva process. Although it should already be known to everyone, it will be repeated to ensure the viva remains on track during the forthcoming discussion.

Warm-Up Questions

The examiners will then begin the questioning process. This usually starts with a few simple opening questions, such as asking you to summarise your PhD thesis and what motivated you to carry out the research project.

In-Depth Questions

The viva questions will then naturally increase in difficulty as the examiners go further into the details of your thesis. These may include questions such as “What was the most critical decision you made when determining your research methodology ?”, “Do your findings agree with the current published work?” and “How do your findings impact existing theories or literature? ”. In addition to asking open-ended questions, they will also ask specific questions about the methodology, results and analysis on which your thesis is based.

Closing the Viva

Once the examiners are satisfied that they have thoroughly evaluated your knowledge and thesis, they will invite you to ask any questions you may have, and then bring the oral examination to a close.

What Happens After the Viva?

Once your viva has officially ended, your examiners will ask you to leave the room so that they can discuss your performance. Once a mutual agreement has been reached, which can take anywhere from 10 minutes to an hour, you will be invited back inside and informed of your outcome.

PhD Viva Outcomes

There are six possible outcomes to a viva:

  • Immediate award of degree: A rare recommendation – congratulations, you are one of the few people who completely satisfied your examiners the first time around. You do not have to do anything further at this point.
  • Minor amendments required: The most common recommendation – you obtain a pass on the condition that you make a number of minor amendments to your thesis, such as clarifying certain points and correcting grammatical errors. The time you have to make these changes depends on the number of them, but is usually one to six months.
  • Major amendments required: A somewhat uncommon recommendation – you are requested to make major amendments to your thesis, ranging from further research to collecting more data or rewriting entire sections. Again, the time you have to complete this will depend on the number of changes required, but will usually be six months to one year. You will be awarded your degree once your amended thesis has been reviewed and accepted.
  • Immediate award of MPhil: An uncommon recommendation – your examiners believe your thesis does not meet the standard for a doctoral degree but meets the standard for an MPhil (Master of Philosophy), a lower Master’s degree.
  • Amendments required for MPhil: A rare recommendation – your examiners believe your thesis does not meet the standard for a doctoral degree, but with several amendments will meet the standard for an MPhil.
  • Immediate fail: A very rare recommendation – you are given an immediate fail without the ability to resubmit and without entitlement to an MPhil.

Finding a PhD has never been this easy – search for a PhD by keyword, location or academic area of interest.

What Is the Pass Rate for Vivas?

Based on an  analysis of 26,076 PhD students  who took their viva exam between 2006 and 2017, the PhD viva pass rate in the UK is 96%; of those who passed, about 80% were required to make minor amendments to their thesis. The reason for this high pass rate is that supervisors will only put their students forward for a viva once they confidently believe they are ready for it. As a result, most candidates who sit a viva are already well-versed in their PhD topic before they even start preparing for the exam.

How Do I Arrange a Viva?

Your viva will be arranged either by the examiners or by the chairperson. The viva will be arranged at least one to two months after you have submitted your thesis and will arrange a viva date and venue that is suitable for all participants.

Can I Choose My Examiners?

At most universities, you and your supervisor will choose the internal and external examiners yourselves. This is because the examiners must have extensive knowledge of the thesis topic in order to be able to examine you and, as the author of the thesis in question, who else could better determine who they might be than you and your supervisor. The internal examiner is usually quite easy to find given they will be from your institution, but the external examiner may end up being your second or third preference depending on availability.

Can I Take Notes Into a Viva?

A viva is about testing your competence, not your memory. As such, you are allowed to take notes and other supporting material in with you. However, keep in mind that your examiners will not be overly impressed if you constantly have to refer to your notes to answer each question. Because of this, many students prefer to take an annotated copy of their thesis, with important points already highlighted and key chapters marked with post-it notes.

In addition to an annotated copy of a thesis, some students also take:

  • a list of questions they would like to ask the examiners,
  • notes that were created during their preparation,
  • a list of minor corrections they have already identified from their viva prep work.

How Do I Prepare for a PhD Viva?

There are several ways to prepare for a PhD viva, one of the most effective being a mock viva voce examination . This allows you to familiarise yourself with the type of viva questions you will be asked and identify any weak areas you need to improve. They also give you the opportunity to practise without the pressure, giving you more time to think about your answers which will help to make sure that you know your thesis inside out. However, a mock viva exam is just one of many methods available to you – some of the other viva preparation methods can be found on our “ How to Prepare for a PhD Viva ” page.

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Preparing for your dissertation defense, published by steve tippins on april 4, 2019 april 4, 2019.

Last Updated on: 30th August 2022, 04:43 am

Preparing for your dissertation defense is one of the most important things you’ll do as a doctoral candidate. Now that you’ve completed your dissertation, it’s up to you to present the results to your committee.

However, the results aren’t just about your study. Your committee wants to see what you learned through the process and whether you are ready to take on the responsibility of being a scholar.

What is a Dissertation Defense?

When you finish your dissertation and your committee has said you are ready to move forward, there is a formal meeting–your dissertation defense–where you have the opportunity to explain what you did and what you found.

Your committee then has the opportunity to ask questions related to your work, the implications of what you found, and your future. It is a chance for you to stand before your peers and be welcomed into the academy. Defending your dissertation is one of the great rites of passage into the world of academia.

How to Prepare for Your Dissertation Defense

Rather than write a quick list of dissertation defense tips, I thought I’d create a comprehensive guide to defending your dissertation. After chairing and sitting on countless dissertation committees, these are the steps I recommend you take.

Cultivate The Right Attitude

Perhaps the most important thing to have as you prepare to defend your dissertation is a revised view of your academic self. You’ve spent years gaining knowledge on your chosen subject, and now is your time to shine. While it’s natural to be nervous — after all, you’re jumping the highest hurdle in academia — keep in mind that this is your moment to shine and that you are now an expert on the topic.

One way to look at the dissertation defense is as a rite of passage. You are being tested, and just as with any rite of passage, the more rigorous the test, the prouder you will be of making it through.

During the process of your defense, keep this in mind: your committee tests you not only to ensure your worthiness but also to enable you to see just how much you know; to step into your new role as “expert.”

Prepare For Your Committee’s Questions

With this attitude in mind, you will want to prepare to demonstrate your expertise. That means anticipating questions the committee may have about your research.

black and white photography of a woman defending her dissertation

If your dissertation asserts the likelihood of a recession in the presence of particular economic indicators, your committee will want to know what socio-political conditions are linked to these indicators. If you found that high achieving students are more likely to have had parents who volunteered in their schools, your committee members will likely ask you to speculate about how to increase parent involvement in schools.

In other words, you’ll need to be able to participate in discourse beyond your results — questions that speak to the relevance and implications of your research.

This kind of preparation goes beyond creating a PowerPoint of your findings (though that is necessary too); it’s part of your stepping into your expert role.

One thing I always tell my students is “Be able to explain your topic to your grandparents,” because to elucidate someone who knows nothing about the topic (no offense to the grandparents!) you must know it inside and out.

Of course, you’ll also want to know your topic well enough to discuss the topic with the top researchers in the field, but at this stage, you’ll have read enough of their work that you’ll feel you know them personally. It’s usually more difficult for academics to simplify than to complicate.

To ready yourself for potential questions, give your abstract to a few friends outside your academic program and have them ask you questions about your study. The advantage is their “outsider” perspective; you’ll have fun answering their questions and will likely have to make a few new neuronal connections to do so. Practicing like this will also help you relax during the actual defense.

Here are some questions you may be asked during your dissertation defense :

  • “What are the strengths and weaknesses of your study?”
  • “What was the most surprising thing you found?”
  • “What will you do next with your results?”
  • “If you could do this over, what would you do differently?”

Organize Your Presentation

Keep in mind that your presentation to your committee can double as your presentation to the faculty at any university to which you apply; your preparation will serve a dual purpose. You’ll need, therefore:

  • a concise overview of the literature in which your study is grounded,
  • a clear description of your study’s purpose, methodology, and findings,
  • and a discussion of the implications of these findings.

Naturally, you will need to consult your department’s and college’s specific requirements, but every dissertation committee (and faculty search committee) will want to fully understand these basic elements of your work.

woman in a sleeveless shirt working on her laptop with a cup of coffee

I have provided a list of questions to help prepare your dissertation defense. If you have time restrictions I would put more emphasis upon your results and the implications of your work. Think of organizing your slides according to these questions:

1. Why did I choose to study this? Don’t be afraid to reveal something personal about your motivation, as long as you can do so with poise and dignity. Your committee members will appreciate this humanizing element but keep it brief!

2. What have other people interested in this topic found? If your study is the next clue in the hunt for answers about this topic, what were the clues that led you here? What paths have past researchers gone down — both fruitful and not? What solid theoretical foundation stands under your study?

This portion of your presentation is the easiest to overdo. You will likely need to edit it again and again to ensure it is both concise and comprehensive. Stick to the major themes in your presentation but be prepared to answer questions about less dominant streams of research.

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3. How did my research question evolve? Answering this question links your research to what has already been established, placing your study in the stream of knowledge. Keep it brief but don’t skip this step, as it is key to showing you as an academic, rather than a student.

4. How did I organize my study? This is a description of the basics of your study and the “whys” of these choices. You can expand a bit here, as the decisions you made at this stage demonstrate your ability to think critically about approaching a research question. Why did you choose your particular methodology? What was the benefit of this design over another option you might have chosen?

5. What did I find? You can begin this section with what you expected to find and why, then explain what you actually found. Keep this section simple and factual.

6. What do the findings mean in relation to the question? Whether or not your findings matched your expectations, they tell you and your colleagues something important about the topic. What is it? Can we speculate that this is a promising area of research, or is this a path we might think of as a dead end? What, exactly, does this study tell us?

7. What’s next for me and for the research? You’ll want to give your committee (and any faculty search committee) a preview of your prospective academic career. What new questions has your study sparked for you? What would you hope other researchers would look at next? How do you intend to fit into the academic conversation on this topic?

Depending on your committee and requirements, you may want to include potential grants you will consider applying for to fund your next study. (This inclusion becomes more important when applying for academic positions.)

Prepare Yourself Mentally

man in black suit and brown shoes waiting on the stairs

Going back to attitude, remind yourself that a dissertation defense is your opportunity to step into your new role. This is your domain now. Breathe deeply and feel the pride that comes with a job well done. Know that you belong in this realm and the dissertation defense is your chance to prove it. Be humble, too; after all, you stand on the shoulders of giants.

Getting enough rest the night before, drinking water and bringing some with you to drink when your mouth gets dry, and being wise about what you consume prior to the defense (maybe go easy on the carbs and caffeine) are all obvious but frequently overlooked pointers. Your committee members want to know you can handle the pressure and take care of yourself under duress .

You might want to give yourself a few minutes of silence and rest before heading in to defend. Take those moments to recognize whatever you’re feeling, then humbly begin your academic career by presenting your most important work to date. And then get ready to roll up your sleeves for the next one. Congratulations, Doctor!

Steve Tippins

Steve Tippins, PhD, has thrived in academia for over thirty years. He continues to love teaching in addition to coaching recent PhD graduates as well as students writing their dissertations. Learn more about his dissertation coaching and career coaching services. Book a Free Consultation with Steve Tippins

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  • 30 March 2020

How to defend a PhD remotely

  • Alyssa Frederick 0

Alyssa Frederick is a postdoctoral scholar at the Bodega Marine Laboratory in Bodega Bay, California, part of the University of California, Davis.

You can also search for this author in PubMed   Google Scholar

In November 2019, I conducted my PhD defence using the videoconferencing software Zoom.

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Tips for preparing your PhD defense [EASY dissertation defense]

Embarking on the final hurdle of your doctoral journey, the PhD dissertation defense, can feel daunting.

This significant event involves presenting and justifying years of research to a committee of field experts, showcasing your comprehension, originality, and critical thinking skills.

With various expectations from committee members, it’s crucial to know what makes a compelling thesis and how to adeptly defend your arguments. Preparation is key; from choosing well-suited examiners to meticulously preparing for potential questions, every step counts.

This article provides easy-to-follow tips for this process, from how to approach revisions to the actual defense duration, ensuring a smoother dissertation defense.

Top tips for your PhD defence process

  • Understand Expectations : Understand what your examiners are looking for in your thesis. They expect it to be relevant to the field, have a clear title, a comprehensive abstract, engage with relevant literature, answer clear research questions, provide a consistent argument, and make a significant contribution to knowledge. They also value the ability to show connections between different parts of the thesis and a confident, positive attitude during the defense.
  • Choose the Right Examiners : Make strategic decisions when selecting your examiners. They should be experts in your field, open-minded about cross-discipline work, cited in your work, have a constructive approach, align with your methodology, and respect critical viewpoints. Consider your supervisor’s advice, as they can help identify suitable examiners.
  • Thorough Preparation : Understand your institute’s specific defense requirements and practice rigorously. Break down your thesis into sections, time your presentation, focus on key points, and prepare for potential questions. Consider setting up a mock defense to familiarize yourself with the process.
  • Master Your Content : Understand your work inside out. Rather than cramming as much information as possible, focus on thoroughly comprehending your research. If faced with an unexpected question during the defense, take a moment to formulate an organized response.
  • Manage Your Time : Be aware that dissertation defenses usually last between one to three hours, so ensure your presentation fits within this timeframe. Remember, the defense is an opportunity to showcase your hard work. Be confident and composed throughout the process.

What Is Dissertation Defense?

A PhD defense, also known as a viva , is a critical process that marks the completion of a doctoral degree. It varies from one institution to another and between different countries.

It could be a private examination by a panel of experts in the field or a public defense before an audience. 

In this defense, you present and justify the research you have conducted over many years.

You’ll engage in a rigorous academic conversation about the different aspects of your research, answer questions, and explain your findings and their implications. 

The defense is a chance for the panel to test your comprehension of your chosen subject area, your work’s originality, and its contribution to the field. It also tests your ability to think critically, to articulate your thoughts, and how effectively you can defend your arguments under pressure.

The essence of a PhD defense is not only to assess the validity of the thesis but also to assess the candidate’s proficiency in their subject.

What Are the Expectations of PhD Defence Examiners? Understand your dissertation committee.

Meeting the expectations of committee members in the context of a dissertation is essential for the successful completion of the research.

They will have read your thesis and will be looking for any mistakes or areas that they are unsure about to ask you during your PhD defence.

Here are what PhD defence examiners are looking for in your thesis and may have questions at your oral defence:

ItemDescription
Relevance to FieldThe thesis must be clearly relevant to the specific academic field.
Clear TitleThe thesis should have a clear, descriptive, and concise title.
Clear AbstractThe abstract should provide a good overview of the research and its findings.
Relevant Literature ReviewThe thesis should engage with the existing academic literature relevant to the research topic.
Research QuestionsResearch questions should be clear, relevant, and answered in the course of the research.
Consistent ArgumentThe thesis should contain a clear and consistent argument throughout.
Conceptual ConclusionsThe conclusions should not only summarize the research findings but also relate back to the literature review and conceptual issues raised.
Contribution to KnowledgeThe thesis should make a significant contribution to the field of knowledge.
Ability to think interconnectedlyThe ability to show connections between different parts of the thesis is important, as it demonstrates a higher level of thinking.
Pleasurable TextThe text should be enjoyable to read, well-written, and explicit in terms of ideas and concepts.
Positive AttitudeThe candidate should demonstrate confidence, enjoyment, and a positive attitude during the Viva (oral examination), symbolized by smiling with the examiners, not at them.
Display of interconnectednessThe thesis should clearly show how various parts are interconnected, ultimately achieving synergy.

A dissertation committee typically consists of external experts (in a similar field) who will engage in robust discussion about your PhD and submitted thesis.  

As committee members, their primary role is to actively engage with the dissertation research, offering constructive feedback and suggestions as well as deciding if you have satisfied the requirements of the university to be awarded a PhD

Here’s my video about the common questions you’ll likely encounter during your defence and how you can answer them:

How to Choose your PhD examiners and committee members

Choosing your PhD examiners requires strategic thinking and insightful conversations with your supervisor. It’s a very important decision and can make your PhD defence much smoother. 

During my PhD, I chose examiners that I had cited and based my work on their preliminary investigations. 

But there are more things to think about before you write down their names!

Here’s a table checklist for choosing your PhD examiners.

CHECKLISTNOTES
Expert in relevant fieldYour examiners should be well-acquainted with your research topic and be able to provide relevant and informed feedback.
Interdisciplinary knowledgeIf your thesis spans multiple disciplines, it would be helpful to have examiners who understand all the fields involved.
Open-minded about cross-discipline workEnsure your examiner is open-minded about works integrating different disciplines, as each field has unique ways of presenting findings.
Cited in your workConsider examiners who you have cited in your work, as they are familiar with the type of work you’re doing.
Constructive ApproachAvoid examiners known for overly harsh or destructive feedback, you want someone who can critically analyze your work but also provide constructive comments.
Alignment with your methodologyThe examiner should understand and ideally endorse the methodology you used. This ensures that they can productively critique your work’s design and execution.
Respect for critical viewpointsIf you’ve critiqued a particular scholar’s work in your thesis, ensure the scholar is professional enough to respect different viewpoints if considering them as an examiner.
Supervisor’s advicePay heed to your supervisor’s advice as they have experience in identifying suitable and appropriate examiners.

First, compile a list of potential examiners who you believe would be appropriate for reviewing your thesis. Discuss your choices with your supervisor, explaining why you consider them suitable. 

If your thesis spans multiple disciplines, consider choosing examiners from each discipline; it ensures intricate knowledge of each field is utilized.

However, ensure these examiners are open-minded about cross-discipline work, as disciplines tend to have unique ways of presenting their findings.

Listen to your supervisor’s advice.

They have experience in these matters and know who would be best qualified to examine your work.

Even if a scholar is high-profile or an editor of a favored journal, they might not be suitable due to methodological differences or varying research approaches. 

Choosing the right examiner is crucial, as an ill-suited examiner could result in undesired outcomes. The goal is to establish a thoughtful academic conversation about your work.

How to Prepare for Dissertation Defense?

To prepare for your dissertation defense, start by understanding the specific requirements of your institute, as the process can vary across countries.

This could include:

  • a presentation,
  • a conversation with examiners,
  • or a combination of both.

Once you know what to expect, practice vigorously. This should not be your first time discussing your work with others – engage in academic conversation, seek feedback and address challenging questions prior to the defense.

Breakdown your thesis into sections and time yourself on each section to manage length. Focus on the key points and avoid irrelevant details.

Creating a mock defense will be helpful in managing time and getting familiar with the process.

Prepare for potential questions. It’s not about cramming as much information as possible, but about understanding your work inside out. Start by preparing answers to common defense questions. In case of an unexpected question, don’t rush to answer. Take a moment, write down key points, and formulate an organized response.

Remember that the defense is an opportunity to showcase years of hard work.

Be confident, and don’t forget to breathe!

How Long Do Dissertation Defenses Usually Last?

 The length of a dissertation defense can vary depending on factors such as the specific requirements of the institution and the complexity of the research being presented.

On average, a dissertation defense usually lasts between one to three hours.

During this time, the candidate will present their research and findings to a panel of experts, often including faculty members and fellow researchers.

The defense typically begins with an introduction by the candidate, followed by a detailed presentation of the research methodology, results, and conclusions.

Panel members then have the opportunity to ask questions and engage in a discussion with the candidate.

It is not unusual for defenses to be quite intense and challenging, as the panel seeks to assess the depth of the candidate’s knowledge and understanding of their research. In some cases, the candidate may be asked to leave the room while the panel deliberates before ultimately reaching a decision on the acceptance or rejection of the dissertation. 

Wrapping up

As the culmination of the doctoral journey, the PhD defense demands meticulous preparation and understanding of its unique rigors.

This entails knowing the expectations of your dissertation committee, choosing the right examiners who offer constructive feedback, and putting considerable time into preparing for your oral defense.

The defense process isn’t a mere formality; it’s a critical examination of the candidate’s comprehension, originality, and critical thinking skills.

It provides an opportunity to exhibit your research and its contribution to your field, defend your arguments, and validate your years of labor.

Thus, selecting well-qualified examiners, anticipating potential questions, and honing your presentation skills are vital for a successful defense.

Students must be registered for their PhD program and finalize their dissertation prior to the defense, which can last anywhere from one to three hours, depending on the institution and the complexity of the research.

Any corrections or major revisions suggested by the dissertation committee members must be completed and submitted weeks prior to the conferral date.

A PhD defense isn’t just a rite of passage for doctoral candidates—it’s the final, decisive step on the journey to earning a doctorate.

It requires the full commitment of the candidate, their dissertation advisor, the committee chair, and all members involved, ensuring that the graduate studies department’s requirements are met, and that the student is admitted to the next phase of their academic or professional journey.

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Dr Andrew Stapleton has a Masters and PhD in Chemistry from the UK and Australia. He has many years of research experience and has worked as a Postdoctoral Fellow and Associate at a number of Universities. Although having secured funding for his own research, he left academia to help others with his YouTube channel all about the inner workings of academia and how to make it work for you.

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The doctoral dissertation is the culmination of scholarly work in graduate school. Every PhD candidate in the Harvard Griffin Graduate School of Arts and Sciences is required to successfully complete and submit a dissertation to qualify for degree conferral. The dissertation must be submitted in one of two formats.  

  • The traditional format is described in detail here .
  • Three articles describing original empirical research that the dissertation committee deems “of publishable quality.”  The student must be the first author on each paper  or obtain approval from their committee to include papers for which they are not the first author . At least one of the three papers must be under review, in press, or published in a peer-reviewed journal. 
  • An introductory chapter that thoroughly reviews the literature relevant to the three papers.
  • A concluding chapter that describes what was learned from the three papers.

Post-prospectus changes :  If students would like to make substantive changes to the content and/or format of the dissertation after prospectus approval, they must revise their prospectus and obtain approval of the revised version from all committee members. Another meeting of the prospectus committee may be required if the changes are substantial.

If students would like to make changes to the composition of their dissertation committee after prospectus approval, they must obtain 1) approval from the primary advisor/ committee chair to make the change, 2) approval from the DGS by submitting their revised committee using this form , and 3) approval of the prospectus by any new committee member(s). If the new member doesn't approve of the prospectus as written, the prospectus may need to be revised. If the revisions are substantial, students may need to have another full prospectus meeting to ensure the revised version of the prospectus is approved by every member of the committee.  

Dissertation Advisory Committee:   The Dissertation Advisory Committee (DAC) is comprised of the three members of the prospectus committee. Students also have the option to add one or more committee members who were not a member of the prospectus committee. The GSAS DAC guidelines can be found here . DACs must be approved by the DGS. If there are post-prospectus changes or additions to the DAC, students should submit your new committee for review using this form at least two weeks before submitting the dissertation to your committee. Students will need to submit a CV for any requested non-Harvard committee members.   

Dissertation Approval:   The dissertation must be approved by the student’s advisor before it is submitted to the dissertation advisory committee. After the student sends the dissertation to the committee, they will have three weeks to read and assess the work. Each committee member should complete a  Dissertation Approval Form  and return it to the student and Graduate Office within three weeks. 

The committee members will receive an evaluation form, where they select among these options:

  • Not acceptable in current form and cannot be corrected without major revisions and consultation of committee.
  • Needs considerable revision, to be seen by me again. Needs committee consultation: [yes/no]
  • Is acceptable with a few minor revisions, to be seen by me again.
  • Is acceptable with voluntary minor revisions.
  • Is acceptable as is.

If substantive revisions are required, the student will need to respond to these revisions, distribute a revised version to the committee, and the committee will have two more weeks to read and assess the revised version. All committee members must approve "as is" or "with voluntary minor revisions" before the defense can proceed.  

Dissertation Defense Date: Students are responsible for coordinating the schedule for their dissertation defense date. Due to the difficulty of coordinating schedules for several faculty, students are encouraged to find a mutually agreeable tentative date and time (we recommend a 2-hour duration) for the defense and ask committee members to pencil it in. However, it is crucial to recognize that this date will be confirmed only when the student has received approval from all members of their committee. In addition, the department must advertise the defense for two weeks before the date it can be held. Therefore, we strongly recommend the dissertation be submitted to the committee ten weeks before tentative defense date to accommodate time for rounds of revisions. The date will be pushed back if the student has not received approval from all members. 

Defenses can take place at any point in the year, as long as the committee agrees to convene. However, note there are deadlines to complete the defense in time for November, February, and May degree conferrals. The Department recommends that the defense be held at least 1-2 weeks prior to the dissertation submission deadline for that degree period. Deadlines for the current year can be found online on the  Harvard Griffin GSAS Degree Calendar .

To submit: Email your dissertation as a single Word Doc or PDF file (or both) to your committee, cc’ing the Graduate Program. The Graduate Program will follow up on this email by distributing the Dissertation Approval Form .  

Oral Defense:   Once the dissertation committee has approved the written dissertation, the student should book a room for the defense and send an abstract to the Graduate Office, which will announce the defense to the Department. WJH 1550 and 105, and NW 243 are the most common choices for a room. Students should submit a room request through FAS RoomBook . Committee members may participate remotely via Zoom, if necessary.  The Department does not have a budget to fly in committee members from other institutions, although students should consult with their individual advisors to determine whether they would cover travel costs. A parking pass can be provided for committee members at nearby institutions.

The oral examination is moderated by the student's advisor, who is the DAC Chair. The advisor will introduce the student. The student gives a formal presentation summarizing their dissertation work. The duration of this presentation varies by area; please check in with your advisor to confirm. Next, each committee member will take turns asking questions (this is what is referred to as the ‘defense’). If there is time, the advisor may invite questions from the audience. At the conclusion of the questions, the candidate and audience are dismissed, and the committee meets to make a final evaluation of the student’s candidacy for a Ph.D. In cases of a positive evaluation, the committee members sign the Thesis Acceptance Certificate . 

Thesis Acceptance Certificate (TAC):   Students must complete a thesis acceptance certificate (TAC), which includes the title of the dissertation and signatures of all committee members. Prior to the oral defense, the Graduate Office will prepare a TAC, which includes the title of the dissertation, student name, and signature lines for each committee member The title on the TAC must read exactly as it does on the title page of the dissertation. A copy of the signed TAC should appear before the title page of the online dissertation submission; no page number should be assigned to the TAC. The TAC will be included in all copies of the dissertation.  

Final Dissertation Submission to GSAS:   Following the successful oral defense, students must submit their dissertation in PDF format to the FAS Registrar’s Office through  ProQuest ETD by the deadline established for each degree conferral date (see the Harvard Griffin GSAS  Degree Calendar  or the  Registrar’s Office website ). Please carefully review the  dissertation formatting  before submitting online. Formatting errors may prevent students from receiving their degree. The TAC must additionally be uploaded as a separate "Administrative Document" when submitting the electronic dissertation. The Registrar’s Office will review the dissertation for compliance and will contact the student to confirm acceptance or to request alterations. More details on the dissertation submission process can be found here .

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Defense and Dissertation Overview

Once a student’s box is checked, the BPH student should set up a one-on-one “Defense Packet Meeting” with the BPH Associate Director to review the Defense and Dissertation Process, which includes reviewing all required materials, logistics, timing, FAS/Harvard Griffin GSAS Form of the Dissertation, sample forms, and to answer student questions related to these processes.

thesis defense phd

  • Defense Committee Chair: One member of the student’s DAC, often the DAC chair, is required to chair the oral defense. This required holdover from the DAC serves the purpose of providing insight to the examiners regarding the path the student has taken in completing the dissertation research. Their primary role is to assess committee satisfaction with the written dissertation, administer the exam, arbitrate any problems that may arise, and make final recommendations for completion of necessary corrections and additions to the dissertation. No other DAC members can serve on the defense committee .
  • At least one member must be a BPH faculty member, often from the same academic department.
  • One member of the examination committee must be from outside of Harvard University.
  • The fourth member may be from either BPH or another Harvard-affiliated program.
  • Co-authors and collaborators cannot be members of the Defense committee
DEFENSE TIMING AND FORMAT
  • Students should notify the BPH Program as far in advance as possible with the details of the exam. 
  • The student is required to notify the BPH office no later than 3 weeks in advance of the defense with the final dissertation title.
  • At least two weeks before the date of exam, defense members should be sent copies of the dissertation for review. A copy of the dissertation should also be sent to the BPH program.
  • If any defense committee member foresees problems with the exam, they should contact the chair of the defense committee in advance of the meeting. If major problems are found with the written document, the Committee can decide to postpone the oral defense until satisfactory changes are made. While rare in our program, these occasions can involve the insufficient or improper use of statistical methods, grossly overstated conclusions, insufficient background or discussion, or evidence of plagiarism.
  • More details about the timing and format are provided in the “Defense Packet Meeting” held with each student.

STIPEND GUIDELINES

If a student successfully defends the dissertation before the 15th of the month, the stipend will be terminated at the end of that month. If the student successfully defends on or after the 15th, the next month’s stipend will be the final month the student is paid, at the discretion of their advisor.

Students are encouraged to speak to their advisors directly about how they should be paid as they complete their graduate work. If an advisor wishes to pay the student for one additional month, beyond what has been explained above, the advisor must notify the department’s financial administrator. For administrative reasons, a stipend cannot be issued to a student after their graduation/degree conferral date.

ORAL DEFENSE PROCEDURES

Part 1: Public Seminar As part of the exam, the PhD candidate will present a public seminar followed by a private oral examination.  The public presentation lasts no longer than 1 hour, which includes time for the advisor’s introduction, the student’s oral presentation and acknowledgements, and time for audience questions and answers.  The Defense Committee is required to attend the public seminar; however, it is customary for members of the defense committee to hold their questions until the private oral exam.

Part 2: Private Oral Examination A private oral examination follows the public seminar.  Initially, the student will be asked to leave the room for several minutes, along with the dissertation advisor if the dissertation advisor has decided to remain for the private exam.  During this time, the committee will discuss the merits of the dissertation, any issues with the dissertation, and areas they may want to focus on during the oral exam.  The student (and advisor if present) is then asked back into the room for the exam.

Each member of the defense committee will direct questions to the candidate based on their review of the dissertation and presentation of the seminar. The Defense Chair will moderate the discussion between the panel and the student.  The closed defense takes up to two hours and involves detailed technical questions as well as broader questions on the conclusions, impact, and limitations of the research.  Dissertation advisors may be present, but they must not participate in the exam (e.g., answer questions posed by the committee).

At the end of the examination, the student (and advisor if present) is once again asked to step out of the room for several minutes.  The Committee will discuss any revisions needed for the thesis and whether these revisions need to be reviewed and by whom.  Once the committee determines the outcomes, the student will be asked back into the room and the Committee provides the student with any [minor] changes needed to the dissertation. While it is extremely rare for the student to fail at this stage, the committee will provide recommendations to the student on their research, communication skills, and development as a scientist, as well as delineating the required changes to the dissertation.

PREPARING FOR THE DEFENSE/WRITING THE DISSERTATION

Students preparing to write and defend their dissertation must review University requirements as outlined in “ Dissertations ” with guidelines published at the Graduate School of Arts and Sciences.

Students are also welcome to visit the BPH Student Lounge (Building 2, Room 113) to look at copies of previous BPH bound dissertations.

Writing the Dissertation Each student must write a comprehensive PhD dissertation on their research topic and the original results of their research. There are a variety of ways a dissertation can be composed, but the core elements described below must be included. The dissertation must show original treatment of the subject, contain a scholarly review of the pertinent literature, provide evidence of independent research of publishable quality, and be clearly, logically, and carefully written. In addition to a compendium of the student’s research, including detailed methods and results, the dissertation must contain a thoughtful discussion of the conclusions, impact, and limitations of the research. The completed work should be critically reviewed by the dissertation advisor before being submitted to the Dissertation Defense Committee.

In some cases, the student has done all of the work in the dissertation; more often portions of the dissertation result from collaborative research. In all dissertations containing collaborative results, the dissertation should indicate concisely who contributed to the work and how.  For example, a chapter containing multi-authored, published work must include a complete reference of the publication and a brief description of the candidate’s and the colleagues’ contributions. For work that is not published but which resulted from multiple researchers, the contributors must be named and respective attributions made clear. This policy allows stylistic flexibility; depending on the amount of collaborative work in the dissertation and the status of publication(s), the attributions can be, preferably, on or accompanying the cover page for each chapter or within an extended acknowledgements section at the end of each chapter. It is recommended that if figures or figure panels are included that are the work of others that the figure panels be clearly identified and the work properly attributed. It is permissible for more than one student to include work from the same collaboration or publication as long as the required attributions are clear, justified, and complete.

Individual chapters can be that of published articles as long as there are also comprehensive Introduction and Conclusion chapters written by the student. While the text can be the same, use of journal reprints as a chapter is not permissible. A word document of the published article must be used, and the pages in the dissertation must be consecutively numbered. Furthermore, the figures and accompanying figure legends must be integrated into the main body of each chapter, preferably following the first mention of the given figure, not clustered at the end of the chapter. Any dissertation that varies significantly from the Graduate School or FAS guidelines, or is not neat and readable, is subject to required stylistic revision before acceptance by the University. (For further information, please visit https://gsas.harvard.edu/academics/dissertations ).

DEFENSE FORMS AND PAPERWORK

Thesis Acceptance Certificate (TAC) Before the examination, the BPH Program Office will provide the Defense Committee Chair with a copy of the official Thesis Acceptance Certificate. This certificate must be signed by all readers of the dissertation at the end of the examination and returned to the BPH Program Office. This certificate will be scanned and sent to the student so it can be inserted as page one of the dissertation prior to the online submission. The student must submit the one original, official copy to the Registrar’s in Cambridge by the appropriate deadline.

If extensive corrections are to be made, the BPH Program Office will hold the certificate until the Defense Committee Chair, and/or assigned reviewer(s) provide a written notification to the BPH Program to confirm that the corrected work has been reviewed and approved.

Dissertation Defense Exam Report The Dissertation Defense Exam Report is completed by the members of the Dissertation Defense Committee to provide a record of any comments or recommendations they may have. The report must be signed by all members immediately after the private exam. The completed report must be submitted to the BPH Program Office at the same time as the Dissertation Acceptance Certificate.

Sample Dissertation Title Page Please click here to see a sample BPH Dissertation Title Page.  Again, please refer to the Dissertation website for guidelines about how to format your dissertation.

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Defending a PhD thesis like a boss!- an in-depth Guide

A thesis defense is a two-way process of PhD evaluation, a session during which experts ask questions related to the PhD dissertation for awarding a PhD degree.  

Defending a PhD thesis or dissertation is the last station of the PhD. The process of a doctorate is different! Even though prospective candidates don’t need to appear in the written examination, the thesis defense is a must!

It’s a process occurring behind closed doors or openly (sometimes!), under the supervision of subject experts or all, to award someone a prestigious doctor of philosophy degree .

PhD- the Philosophia doctor is a path full of complications and problems. Starting from admission to writing a thesis or viva, a candidate has to achieve every milestone to move forward towards a PhD. 

Broadly, a good graduation or master’s score, completion of the entrance exam, course work, PhD thesis, publication in a peer-reviewed journal, PhD presentation and well-completed PhD research are criteria to appear in the PhD defense. 

If a candidate fails to achieve any of the requirements given above, he or she can’t go-ahead. The PhD is all about research, passion, knowledge on one side whilst depression, lack of confidence, loneliness, frustration on the other side, nonetheless, it is a fun journey. 

Defending a PhD thesis at terminal can relax a doctoral student, although should not be taken for granted. 

The present piece of content is all about defending your PhD thesis, what is it and how to appear. I will also give you some tips that help you to successfully complete it. 

What is a thesis defense? 

The thesis defense is the terminal process of discussing ‘research’ to award the PhD degree. It is also referred to as PhD viva too; however, it is more a discussion session than a viva. 

A prospective student has to appear in the thesis defense along with the PhD thesis, a presentation and all other PhD related documentation. A student also has to carry all the materials and proofs that can be used to convenience a supervisor or expert to award the doctorate. 

The entire process is verbal. Two external subject experts, a guide, and a university VC conducts the process, note that other students can also appear in the PhD defense process too as a guest. 

Universities usually conduct close viva sessions to avoid ‘personal bullying’ during the thesis defense. 

During the process, questions are based on the thesis content, topic and subject of the prospective student’s research. The objective of conducting the defense session is to check the knowledge of a student, research aptitude and how he or he had done their research. 

It is a kind of evaluation process in which experts ask questions and point out gaps in research presented by a student.

Read more: 10 Genuine Suggestions to Design a PhD Title .

What is the process of thesis defense? 

The process of PhD thesis defense starts with the general introduction of experts followed by the presentation session. A candidate has to present their thesis in a PowerPoint presentation, keynotes or google slides. 10 to 20 minutes are alloted to present the work in 15 to 25 slides. 

Soon after, experts ask questions related to research. Several of them are, 

What is the purpose of the present research? 

Why is the present topic chosen? 

What is the study population and why only those are selecting 

What are the outcomes of the present work? 

Why are the results or outcomes important? 

What are the societal benefits of the present work? 

How or what the present research contributes to the present knowledge? 

These are the common questions asked to know the quality, quantity and strength of the research one has conducted. 

The process is of two types; close thesis defense viva and open thesis defense viva. 

In the close thesis defense viva, only a subject expert and a PhD supervisor conduct the entire process of the thesis defense, no one is allowed to interfere in it. A student can defend their thesis confidently, on the positive side, however, sometimes the integrity of the session doesn’t maintain due to lack of a monitoring body. 

During the open thesis defense, anyone can appear in the viva session including students of master’s and graduation. Also, anyone can ask questions related to the topic. 

Open thesis defense sometimes makes things harder for the prospective student. Which type of viva or defense system you have to face will depend on the university. The process and type of thesis defense vary from country to country and university to university.  

2 to 5 examiners or external evaluators are invited for a PhD thesis defense session by the university. The criteria to select examiners for the same are; they should be not from the university, they are experts in a related subject, they are working outside the university. 

University allows a PhD supervisor to the defense session but they can’t participate in the discussion. Examiner examines the thesis and will randomly ask queries to the presenter. 

Who conducts a thesis defense? 

The thesis defense of master’s, M Phil or PhD is held by the university under the vigilance of the supervisor for the student appearing in the degree. 

A PhD supervisor invites two or three other experts of the subject to conduct the session, university presentative or vice-chancellor closely monitors the entire process, if present. 

Related article: How much does a PhD Degree Cost in the USA, UK and India?

How long a thesis defense occurs? 

Per student 10 to 20 minutes are allotted to defend the thesis, however, it may vary, depending on how long a verbal questioning session happens. If it is interesting, it may take up to 2 hours. 

Sometimes, experts wind things in 30 minutes too; that depends on how neatly you have written your thesis and how beautifully you have given your presentation. Still, a few questions are common and asked in every thesis defense. 

Usually 20 minutes to 2 hours it takes to complete the thesis defense. 

What happens after the completion of the thesis defense? 

Defending a thesis isn’t like giving a written exam, which means the results are not like ‘pass’ or ‘fail’. The results are like how excellently one has done their doctorate- research, thesis and presentation. 

There are three possibilities after completing the PhD viva or thesis defense.

  • First, you have successfully completed it.
  • Second, you have failed in defending the thesis- revision required. 
  • Third, there are chances of improvement- minor revision required. 

When you present your thesis excellently, write the dissertation in a proper way and accurately- like a professional writer, proofread it correctly, complete all the objectives mentioned in the thesis, done research in a proper way, you probably come in the first case. 

A PhD degree will be awarded to you soon! 

If a thesis is not written in a good way, not all the objectives are completed, not published a paper, or fails to write a thesis completely or it is partially incomplete, you fail in defending the thesis, need revision.

In this case, you have to re-appear in the Ph.D. to complete the incomplete work. 

The third case is a bit different in which a student is advised to do some minor changes and improvements to make their own thesis much better. Usually, re-viva is not conducted in these cases. 

In the second case, in which a student fails to defend their thesis, re-viva and second round of thesis defense will be conducted after six months or a year. 

Note that awarding the thesis entirely depends on the external examiner. 

Also read: PhD vs PsyD- Differences .

Can anyone fail in the thesis defense? 

I can say yes! But not exactly because it is not an examination. A candidate has to appear again after sometimes to defend the thesis. Here are the cases in which we can say, a candidate failed thesis defense.

  • Improper, incorrect or partial thesis. 
  • Incomplete objectives. 
  • Incomplete research work. 
  • Lack of significant outcomes. 
  • No publication 
  • Fail to answer questions during the defense. 

Practically it is not considered as ‘fail’, re-viva or another round of thesis defense will be conducted. 

Tips to successfully defend the thesis for PhD: 

When you will be on your presentation, an examiner opens your thesis; thoughts of curiosity, nervousness, excitement and energy will flow around you, all at once. 

In these conditions, even if your preparation is excellent, a small mistake can ruin everything for you. 

You have to balance your positive as well as negative emotions at the same time. Here are some of the tips that definitely help you to defend your PhD thesis successfully. 

Defend the PhD thesis like a boss!

Fill yourself with positivity: 

You are very near to your goal, one step ahead of getting a degree- an utmost academic honor- the PhD. Surely, you need to balance everything, as I said, but to do so, you need to behave positively. 

Even if you know the gaps, problems, limitations and problems of your PhD thesis, yourself or your knowledge, you need to keep calm and behave like everything will be on your side. 

Only you know what is not perfect in your presentation or thesis, why to show it to others! Stay calm, focus, confident and positive like everything is perfect there. 

If you still feel so negative, imagine there are so many students in the world who have not even reached this level! You are here, on the last step of the PhD- feel proud of yourself. 

Related article: Writing a Research Paper for a Ph.D. Dissertation.

Dress well, look well: 

To feel confident and positive, you have to look better. Wear a good, decent and formal dress, shave your beard or trim it, style your hair and polish your shoes. If you will look good, a positive and joyful atmosphere will be constructed in the room that will definitely help you. 

Don’t look tired, hopeless, restless, sleepless. 

Checklist all things: 

A couple of things are required during the PhD viva or thesis defense session. One is the presentation and the second is the thesis. In addition to this, don’t forget to take other documents related to your PhD like your plagiarism clearance certificate, your registration certificate and even your logbook. 

One can’t appear in the thesis defense session without a presentation and thesis. 

Other things are secondary in this case. 

Also read: How to Avoid Plagiarism in Your PhD Thesis?

Prepare a good presentation: 

Before preparing a PhD presentation, you need to know in which format the university allows to present the thesis. However, the globally accepted format is Microsoft Powerpoint. 

Prepare a good, decent and professional PhD presentation of 10 to 15 slides and save it in multiple formats. Include only necessary information, I know it is very difficult to summarize the 4000 to 5000-word essay in 10 slides. 

Also, don’t forget to include material, methods, theory, results and outcome of the research, those things are very essential. Make your presentation correct with your PhD supervisor before appearing in the thesis defense. 

Make a backup: 

What if your presentation will not run on the day of defending the thesis? What if you lost your hardcopy of the thesis? that is not good, right! 

 You are a PhD student , above all, out of the box thinking ability and good analytic thinking, how can you forget to make backups? 

Backup your presentation in a flash drive, cloud storage and email. Prepare presentations in multiple formats.

Make the back of the thesis soft copy as well and store it on different devices that are easily accessible in case of emergency. In addition to this, also prepare a rough and unbounded draft of the thesis hardcopy as a backup. 

Control yourself: 

Students who have done their PhD sincerely are confident about their work but it is very important to control yourself during the thesis defense. In any harsh condition don’t lose your calm, don’t be aggressive.

Even if you know that the expert is wrong- that is a rare case scenario, respect their opinion and behave accordingly. See it is obvious, no one knows more than you and your guide about your topic.

Try to explain things to the panel member, if it can’t work, leave it, respect their opinion and take it as suggestions. 

Read more: 10 PhD Programs You can choose to Study- A Comprehensive Guide .

Answer to the point: 

Sometimes it happens that you explain things more than the experts’ needs. There are drawbacks of explaining things elaborately, they can trap you! 

As I said, pay attention to the question asked by the expert and try to answer what they want, not more than that. Explain things if they don’t understand. 

Do this if you don’t have an answer: 

Experts’ duties are to find gaps and problems in your research so that they can find knowledge actually required. So it is obvious, they confuse you, and ask questions which you don’t know. 

 Don’t get nervous or panic, if you don’t know the answers. Take a deep breath and admit that you don’t have the answer or don’t have an idea about that. To support this situation, you can even make an assumption that this might happen or this will be the reason or give a probability.

See thesis defense is not like a viva, questions will be intellectual and will challenge your knowledge and thinking every time for sure. You have to show them your ability to think differently, not what to already know! 

Also read: 50 various PhD degree full forms .

Do this if something wrong happens! 

Days change, some are good, rest are bad. Things will be on your side someday, or not on other days. What you will do if something wrong happens whilst defending the thesis? 

Your presentation may not work, You lost your thesis, a big problem with the thesis- you didn’t know and problems in findings of results; these are some common problems I had seen in PhD viva. 

So you have to prepare for that, what to answer in those conditions. Anyone can make mistakes, simply apologize and request panel members that you will fix the problem soon. See, you have to act as per the situation, I can not tell you what you say in which conditions. 

For instance, if your presentation is not working or electricity is not there on the day of the presentation simply apologize for that, present it with the available utilities like chalk and blackboard.

The important thing is don’t panic, apologize first, and request to continue the presentation. For instance, if there is a major issue in the thesis, request the examiner that you will fix it, please allow you to continue the presentation. Try to complete your presentation, anyhow, who knows if they will impress. 

Be prepared for the most common questions: 

 The 10th tip is very useful and kind of a hack for you. There are several questions asked routinely during every thesis defense session. For instance,  what is the purpose of your research? How outcomes help society? Why have you chosen this topic? Why have you selected this technique for your work? What are the applications of your research? Like that. 

Be prepared for these questions, a few of them will be asked during the session. Then after the discussion will pick the heat, and your thinking ability will be tested. 

Read more: What is PhD?- History, Definition, Origin, Requirement, Fees, Duration and Process .

Conclusion: 

Thesis or dissertation and PhD viva or thesis defense aren’t mandatory for all. Some professional degrees seek only internships for the award of PhD or doctorate. IN PhD in medicine or psychology, thesis or viva isn’t conducted, though the criteria are decided by the universities and hence vary greatly. 

Still, the thesis defense is a common practice performed to award PhD, M Phil or post-graduation degree. 

Dr Tushar Chauhan

Dr. Tushar Chauhan is a Scientist, Blogger and Scientific-writer. He has completed PhD in Genetics. Dr. Chauhan is a PhD coach and tutor.

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How Do I Prepare for a Successful Defence?

Vivas and Presentations

  • First Online: 19 October 2023

Cite this chapter

thesis defense phd

  • Sue Reeves   ORCID: orcid.org/0000-0002-3017-0559 3 &
  • Bartek Buczkowski   ORCID: orcid.org/0000-0002-4146-3664 4  

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Once you have submitted your dissertation, you may be asked to do a defence of your dissertation. This could be in the form of an oral presentation, a poster presentation of your findings, or you could be invited to a viva voce. Vivas, as they are usually known, are particularly common for research degrees such as MPhils or PhDs and are essentially a verbal defence of your thesis that is conducted in an interview style format. At a minimum, the viva is a way of checking you authored the thesis yourself and understand the detail, but it is also an opportunity to discuss your research findings and interpretations in depth with experts. Preparation is key for defending your thesis in a viva or a presentation format. With a bit of groundwork, you could even enjoy the discussion, after all the thesis is the culmination of all your hard work, and no one knows it better than you.

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Ratcliffe R (2015) How to survive a PhD viva: 17 top tips. https://www.theguardian.com/higher-education-network/2015/jan/08/how-to-survive-a-phd-viva-17-top-tips. Accessed 3 Mar 2023

Further Reading

Levin P, Topping G (2006) Perfect presentations. Open University Press

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Smith P (2014) The PhD viva: how to prepare for your oral examination. Macmillan, New York

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Reeves, S., Buczkowski, B. (2023). How Do I Prepare for a Successful Defence?. In: Mastering Your Dissertation. Springer, Cham. https://doi.org/10.1007/978-3-031-41911-9_14

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  • PhD Defense

Preparing for a PhD Defense

Table of contents, preparing to start, nominate a faculty member to serve as chair for your defense, selecting a defense date, international students and work visas, registration categories for defense, dissertation writing and guidelines, preparing your dissertation for defense, registering your dissertation for the final oral exam, know the rituals.

  • Use PowerPoint

Public Lecture

Dress Professionally

Items to Bring to the Defense

The Closed Examination

Address Questions with Confidence

Student Status

Final corrected copies of the dissertation, publishing your final dissertation, binding your final dissertation, before defense.

Before you can start your thesis you must:

  • Complete all courses, exams, and research requirements
  • Meet with your advisory committee to ensure that everyone agrees that the work is ready to defend
  • Decide on a date for the defense
  • Inform your graduate administrator that you have started the process to prepare for your defense

A chair is appointed for each PhD oral defense to monitor and promote fairness and rigor in the conduct of the defense. To help eliminate pre-established judgments on the candidate’s work, the chair should be from a different program/department than the student. For more information about chair responsibilities, read the instructions for the chair .

You must identify a faculty member to serve as chair for your defense. The chair must be:

  • A current full-time faculty member at assistant professor rank or higher
  • Outside the department offering the degree program, or outside your advisor's department (interdisciplinary degree programs only)
  • Someone who has not had prior involvement in your research

The selection of the chair is subject to the approval of the department/program, th Arts, Sciences and Engineering dean of graduate education and postdoctoral affairs, and the University dean of graduate studies.

The chair must be physically present during the entire defense, including the public oral presentation (if applicable) and the questioning session. The chair is welcome to read and comment on the dissertation and/or the defense presentation, but this is not required. The chair does not need to be an expert in your research area.

It is your responsibility to get a copy of the final dissertation to the chair at least one week prior to the defense.

You should begin scheduling the actual defense date three months in advance to ensure that your advisor, committee members, and chair are able to be present and that rooms are available on the date and time selected.  

Defenses can be held on any day the University’s Graduate Studies Office is open (not weekends, evenings, holidays, or the days between Christmas and New Year’s). Check the  academic calendar  for important dates and deadlines.

Use the  PhD calendar  to determine the deadline dates for getting your paperwork to the Office of Graduate Education and Postdoctoral Affairs and department committee.

When all committee members and your chair agree to a specific date and time for the defense, inform your graduate administrator as soon as you possibly can, but no later than six weeks prior to your defense date . Your graduate administrator will advise you of any program-specific requirements for the defense as well as work with you to prepare for your thesis defense. They will also help you determine who will schedule the room for your thesis defense.

You should provide your committee members at least two weeks to read and comment on your dissertation before the date you need to register your dissertation.

Participating Via Video Conferencing

While you, your advisor, and the chair must all be physically present in the room for the defense, other committee members are allowed to participate in the defense remotely via Skype or other video conferencing technology so long as all committee members agree to the arrangement. This must also be approved by the AS&E dean of graduate education and postdoctoral affairs and the University dean of graduate studies before the dissertation is registered for defense.

Someone other than you and your committee must handle the IT setup and be on standby for any problems. If anyone involved finds that remote participation is interfering with the defense, he or she can request that the defense be rescheduled.

We strongly recommend that international students meet with an  International Services Office (ISO)  representative as soon as permission to start writing is granted. The ISO will provide information on visa options, documentation, and timelines for applying for a visa for employment in the United States.

You will register for one of the following categories while preparing your defense:

  • 999: Dissertation —Indicates the PhD student has completed all of the requirements for the degree except the dissertation and is in residence as a full-time student
  • 995 : Continuation of Enrollment —Indicates the PhD student has completed all of the requirements for the degree except the dissertation and is not in residence as a full-time student

See the registration page for more information about these categories.

The Preparing Your Doctoral Dissertation manual is a great resource to help you bring your dissertation up to the required standard of organization, appearance, and format for the University of Rochester. Before preparing the defense copy of your dissertation, check the contents of the manual carefully to help avoid mistakes that can be time-consuming and costly to correct.

Before beginning your dissertation, you should consult with your advisor for your department or program’s preferred style guide (APA, MLA, Chicago).

Including material produced by other authors in your dissertation can serve a legitimate research purpose, but you want to avoid copyright infringement in the process. For detailed instructions on avoiding copyright infringement, please see ProQuest’s  Copyright Guide .

The University requires that you provide copies of the dissertation to your committee members and exam chair. You should check with your committee members to see if they prefer printed or electronic copies (or both). Printed copies do not need to be printed on heavyweight, expensive paper unless there is the need to do so for figures and images. 

Printing and binding a dissertation can be expensive. You can use the Copy Center or FedEx Office to print and bind your dissertation.

In order to register your dissertation, you or your graduate administrator will need to create a record on the Graduate Studies PhD Completion website . This record will include:

  • Degree information
  • Past degrees
  • Contact information
  • The defense version of your dissertation as a PDF
  • Other relevant documents

The version of your dissertation attached to your online record is considered the registration copy.

When your PhD completion record is finalized, committee members will receive emails with links to access your record and approve your dissertation to progress to defense. You’ll need to provide copies of the dissertation identical to the registration copy to all members of your committee, including the chair, at least two weeks before the record is finalized. Everyone but the chair is required to comment or sign off on the dissertation before it is submitted.

There may be deadlines for registering your dissertation specific to your program. Consult with your graduate administrator to ascertain those deadlines and follow them carefully.

After all committee members have provided their approval, your thesis will be reviewed by your faculty director/department chair, the AS&E dean of graduate education and postdoctoral affairs, and the office of the University dean of graduate studies. When all of these officials have approved your committee and dissertation for defense, your dissertation is considered registered. You will be able to track these approvals in your online record and will receive a confirmation email when approvals are complete.

The GEPA Office and the AS&E dean of graduate education and postdoctoral affairs, as well as the University Graduate Studies Office, may make corrections to the PDF of your dissertation. This annotated copy of your dissertation, along with the original version, will be stored in the PhD completion website. You are not allow to distribute updated versions of your dissertation prior to the defense, but be sure to incorporate any corrections before uploading your final dissertation to ProQuest®. 

After the defense, if the committee has required major revisions to be approved by one or more of its members, it is your responsibility to provide them with the corrected final version for their approval.  They will be asked to submit written confirmation of that approval to the University Graduate Studies Office. Failure to do so could delay conferral of your degree.

After the defense, you will receive additional instructions by email for completion of all PhD degree requirements.

It is important to walk into the defense knowing that your committee wants you to pass. Even if criticism is harsh, it is meant to be constructive. The defense is not solely an opportunity for the committee to compliment and congratulate you for the work you have done. It is also meant to challenge you and force you to consider tough questions.

The Defense

The best way to prepare for your defense is to regularly attend the defenses of your colleagues throughout your graduate program, not just several weeks prior to your own defense.

You can also talk to people in your department who already defended to find out what their defenses were like. You should also speak with your advisor to get a sense of his/her specific expectations of a defense.

Guidelines for Presentations

Use PowerPoint or Other Software to Create Slides

You should prepare a presentation of the research that comprises the thesis. Your slides should encapsulate the work and focus on its most salient contributions. In preparing, ask yourself these questions: “What do I want people to know about my thesis? What is the most important information that I can present and talk about?”

Here are some basic tips:

  • Use text large enough to be read by the audience (especially text from figures)
  • Ensure graphics and tables are clear
  • Don’t clutter your slides—if necessary, have things come up on mouse clicks
  • Use spell check and proofread your slides
  • Practice your presentation with your peers
  • Work on pronunciation, if required
  • Time your presentation to ensure it will fit the allotted time while allowing time for questions

If your defense includes a public lecture, we recommended that you do a trial run a day or two before in the room that has been booked for your lecture. This will allow you to familiarize yourself with the space and the equipment and to address any problems that arise during the trial run. 

Plan your public lecture to allow enough time for questions. Present enough information so that the audience understands what you did, why you did it, what the implications are, and what your suggestions are for future research.

Friends and family are welcome to attend your public lecture. Faculty and students in the audience are given the opportunity to ask questions.

Plan to dress professionally for the defense in the same way you would if presenting a paper at a conference or for a job interview. You will be standing for a long time on the day of your defense. You might want to keep this in mind when selecting the shoes you will wear for your defense.

Essentials for your public lecture include:

  • Your presentation
  • A laser pointer
  • A copy of your dissertation
  • A pen or pencil
  • A bottle of water 

You will be asked to leave the room while your committee reviews your program of study, and decides whether:

  • The thesis is acceptable/not acceptable
  • Whether members will ask sequential questions or whether each member will be allotted a specific time period for questioning

The person to start the questioning is designated. You will be called back into the examining room and questioning will begin. After all questions have been addressed, you will be asked to leave the room while your committee decides the outcome of the exam. You will be asked to return to the room to be informed of the outcome by the chair of your exam committee.

  • Listen  to the entire question no matter how long it takes the faculty member or student to ask it (take notes if necessary).
  • Pause and think  about the question before answering.
  • Rephrase  the question.
  • Answer  the question to the best of your ability; if you do not know the answer, remain calm and say so in a professional way.
  • Remember  that no one will know the ins and outs of the thesis and your research materials as well as you.  You  are the foremost expert in the thesis topic and  YOU know the research involved. Be positive!

Possible outcomes include:

  • Acceptable with minor or no revisions (no further approval required)
  • Acceptable with major revisions in content or format (in this case, one or more committee members must be responsible for overseeing and approving the major revisions before the final copies are submitted)
  • Not acceptable

After the Defense

You can submit the final corrected copies of your dissertation as soon as you address any remaining comments that were brought up during the defense or noted in the registration copy of your dissertation, which will be returned to you usually within a few days before or after the defense. You can take up to one semester following the defense to address any comments, during which you can remain a full-time student. Your degree conferral date will depend on when you submit the final corrected copies of your dissertation.

The day after your defense, you will receive an email from the University dean of graduate studies that provides instructions on how to:

  • Submit the final corrected copies of your dissertation through ProQuest
  • Provide authorization for the release of your dissertation through UR Research
  • Complete a mandatory online exit survey
  • Verify to the University dean of graduate studies’ office that the dissertation has been submitted

The University of Rochester requires all doctoral candidates to deposit their dissertations for publication with ProQuest Dissertation Publishing and with the University libraries. Hard copies are not required. The library receives an electronic copy of the dissertation from ProQuest, but students must give the University permission to obtain it.

For questions regarding publishing through ProQuest, contact Author Relations at [email protected] or (800) 521-0600 ext. 77020.

Check with your graduate administrator to see if your department wants a bound copy of your dissertation, and, if so, how the cost of binding is covered.

If you want a bound copy for yourself or your family, you can purchase one through ProQuest .

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Dissertation Defense: Steps To Follow To Succeed

dissertation defense

A dissertation defense is arguably one of the most important milestones in every student’s career. While it signals that your tenure as a student is soon about to close, it validates all your efforts towards your thesis.

Being cautious about including all the necessary details is very important to successfully complete your dissertation proposal defense. This article tells you everything that you need to know about writing a defense that can add great credibility to you as a student.

What is A Dissertation Defense?

The first thing that you need to learn is what is a dissertation defense and what is its purpose. In simple terms, it is a presentation made by a student to defend all the ideas and views that are presented in a dissertation.

The presenter must include details like what is the reason for choosing specific research methods, the theory that has been selected for the paper, and other such points. This presentation is made before an audience that comprises of the university committee, professors and even fellow-students. It is met with questions and answers that gives the student an opportunity to provide more clarity on the dissertation in order to convince the committee to approve it.

Stages of a Dissertation Defense

One of the most important dissertation defense tips provided by several professors is to breakdown the process into three steps:

  • Preparation : This stage involves collection of all the necessary information that must be included in the defense dissertation and making all the arrangements for the actual meeting.
  • The defense meeting : This is where you decide how you will present the defense. The actual meeting is hugely reliant on the performance, body language and the confidence in your oral defense.
  • After the defense meeting : This stage, also known as the follow up, requires you to make the necessary revisions suggested by the university committee. You can even provide bound copies of the whole dissertation to distribute among different members of your departments. In the follow up stage, one must also think about expense that are related to publishing the Ph.D. dissertation defense as well as printing additional copies of the manuscript, if required.

How Long is a Dissertation Defense?

The first thing that a student should know is how long does a dissertation defense last? The length has to be carefully calculated to make the impact that you want. One of the most important steps in the dissertation preparation is to understand how much time each department allocates to the closing oral defense. When you plan in the early stages of your dissertation itself, you can write it in a manner that allows you to defend it in the allocated time.

Usually these meetings including the presentation, the oral defense and the question and answer session last for about two hours. In most cases, these two hours also encompass the time needed by members of the committee to deliberate.

How to Prepare for the Dissertation Defense

Now that you know how long is a dissertation defense, the next step is to prepare well enough to make your presentation impressive.

Here are some tips on how to prepare for a dissertation defense:

  • Watch other students in action to learn about different presentation styles. You can attend defenses of different colleagues in your department as well as other departments in your university.
  • Get all the details about the deadlines and the rules of your college or university about scheduling your defense.
  • Scheduling is also a very important part of your preparation. It is important to note that members of the committee and University chairs need to make time for these defences in a very packed schedule. Coordinate the date, venue and time of your defense as early as possible.
  • Prepare a manuscript adhering to the necessary formatting rules. Review your manuscript thoroughly before you hand it in. During your PH.D, your faculty will also assist you with the defense. For this, they must have a crisp and polished copy of your manuscript.
  • Most colleges have the facility for a pre-defense meeting. This is the best opportunity to sort out any concerns that you may have about the actual meeting. It is a good idea to ask the chairs what types of questions may be put forward and if there are any problems with the defense that need to be resolved. When you prepare for a pre-defense meeting, think of it as the final one and give it your all.
  • Put together all the material that you need for the defense. A detailed, yet to-the-point presentation must be prepared.
  • The final stage of preparation is practicing your presentation over and over again. It is not just the presentation but also the approach towards the questions that you must practice.

Tips To Nail Your Actual Meeting

With these tips you will be one step closer towards a successful defense that will help your dissertation pass and be approved:

  • All meetings should begin by addressing the chair. Make sure you thank all the committee members and the advisors for the efforts that they have put it. This gives you a professional start to the presentation.
  • The presentation should cover the following subjects in brief:
  • The research topic
  • Literature review
  • The methods used for analysis
  • The primary findings of the research
  • Recommendations of additional research on the subject in the focus.
  • Do not get rattled by any discussions among the chairs. They will deliberate on any disagreements or topics of interest. This is a part of the process and is not a reflection of the presentation itself.
  • There are two questions that are commonly asked that you should be prepared for. This includes the weaknesses of the dissertation and the research plans that you have made post-dissertation.
  • Use subtle gestures when you are talking. Do not overuse your hands when doing so. The whole meeting including the question and answer session should have a very formal appeal.
  • The tone of your voice must be assertive without making it seem like you are trying to hard. Be clear and enunciate when you speak.

Once the questions have been answered, the committee will leave the room. Then, after the deliberation, you will be informed if your dissertation has passed or not.

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  • Thesis Oral Defense Process

Checklist for document preparation, thesis defense, final semester, and degree certification. The final milestone for your doctoral degree!

Producing Your Document & Setting a Defense Date

Thesis oral defense presentations should be scheduled only during academic periods -- not during holidays or weekends. They should be scheduled during normal university business hours. 

Graduating doctoral candidates should work with the Doctoral Programs Manager, CSD Student Payroll Manager, and their advisor(s) to navigate defense, certification, and departure from Carnegie Mellon.

Please remember all committee members are required to attend your thesis defense and that at least three thesis committee members (the Chair and two additional members) must be physically present.

  • Exceptions must be approved by the Director of the Ph.D. Program.
  • Refer to the PhD Talks Scheduling Calendar for department process deadlines, blocked days, and available times & days for talks to be scheduled.

Thesis process checklist (downloadable PDF):

Document Format Detail

  • Obtain the LaTeX thesis document template from Catherine Copetas.
  • Please use the department approved title page layout as provided below. 
  • Request a Technical Report (TR) number from Catherine Copetas.

Confirm research funding citations (grants your advisor may have had which supported your work) to properly credit them on your title page. Contact Todd Seth ([email protected]) or Ann Stetzer ([email protected]) who do grant management for your advisor.

**CSD thesis title page layout**

CMU-CS-[YR]-XXX ** Certification Month  & Year ( not defense date)  

Computer Science Department School of Computer Science Carnegie Mellon University Pittsburgh, PA 15213

Thesis Committee: [Name], Chair [Name] * [Name] [Name] (in parentheses - external affiliation spelled out in full)    Submitted in partial fulfillment of the requirements for the Degree of Doctor of Philosophy   Copyright © [year] [student name] This research was sponsored/supported in part by ... [see Ann Stetser or Todd Seth for appropriate wording]

Published example with Co-Chairs

NOTES:  No affiliation for CMU faculty **See Catherine Copetas for technical report number Keywords should be included on the bottom of the second page of your document  

2) Scheduling Your Oral Defense

You should notify [email protected] if there are any committee member changes to your thesis committee since your proposal. 

A copy of the complete thesis document should be provided to the whole thesis committee a minimum six weeks in advance of any proposed date for the defense. Significant deviations from this rule must be approved by the Director of of the Ph.D. Program.

  • The talk date should be finalized at least one month in advance to allow time for final review by your advisor , comments by the committee, and to reserve an appropriate room.
  • Check the PhD Talks Scheduling Calendar to make sure there is not another proposal or defense scheduled at your preferred time.
  • Students should coordinate the date of their talk with their committee members.
  • 30 minutes setup time
  • 90 minutes for presentation, questions, & thesis committee discussion
  • 30 minute post presentation cushion to accommodate overrun & clean-up
  • Thesis orals and proposals will not be scheduled to overlap but there can be more than one presentation per day. 
  • Once you have settled on a date and time email CSD PhD Support to finalize the date.
  • The room scheduled must be available to the public and must accommodate a reasonably large number of people (~30). Smaller rooms are strongly discouraged.
  • Be sure you arrange time to check the A/V in the room and that you are comfortable setting up your own Zoom or other remote access for any external committee member who may not travel to attend in person or for streaming your talk.

Once the Doctoral Program Manager confirms your date, time, and location you should plan to provide the information needed for the poster, calendar and email announcement of your talk. 

A minimum of seven days in advance of your talk you should send the following information to [email protected] so Marcom can prepare the appropriate announcements for your talk:

  • Your name as it will appear on your published document (this should match what will be on your diploma)
  • Thesis Title
  • Date, start time, and location of your oral defense presentation (for confirmation we have it correct for announcement)
  • Thesis Committee Member names in the following format * :      Name (Chair) or (Co-Chair)      Name (Co-Chair)      Name      Name      Name (external affiliation fully spelled out)
  • Thesis Summary of 350 words or less , describing the thesis. This can be provided as email body content or text attachment (.txt) and is utilized for your talk announcements.
  • Your Zoom link & Live Streaming form if you will have remote audience attendance (please see In-person & Remote Information ).

We will announce your talk on the SCS and CSD calendars and send email to the appropriate CSD D-lists.

* Affiliation is not included for CSD/SCS committee members other than stating Chair or Co-Chair.

REMINDER: 

Remember that all committee members are required attend your thesis defense and that at least three thesis committee members (the Chair and two additional members) must be physically present.

The department does not record thesis oral defense presentations.

  • Please set up your own Zoom link for remote committee member(s). 
  • Once your advisor(s) join the Zoom you should make them co-host(s). 
  • A Live Streaming form is not needed if the only remote attendee(s) will be external thesis committee member(s). 

You are welcome to have remote audience attend.

  • The Live Streaming form is only needed if you will be allowing CMU community or external attendees to remotely attend your defense. 
  • Please fill out the form and have your advisor sign it.
  • Send the form to [email protected] along with your talk announcement information 7-10 days in advance of your talk. This way we know to include your Zoom link in the announcement.

Your presentation should be approximately 45-50 minutes (with clarification questions only) followed by questions from the committee, questions from the audience, a private meeting of the committee concluding with a private meeting with the speaker.

The Doctoral Program Manager will prepare the three copies of the signature page which will be signed by your advisor the day of your talk. This is held until your degree is certified and will be dated with your certification date to be included with the physical print copy of your document.

Submitting Your Thesis

When your final copy is ready the following items MUST be completed before your degree will be certified with the Registrar:

  • This should filed only AFTER your thesis is edit-complete, approved by your advisor and ready for certification. 
  • Ideally it should be done the day you intend to turn in your final document -- NOT on or around your defense date.
  • The department will file the final copy of your dissertation with the library. Please DO NOT FILE a copy yourself. 
  • Dissertation Checklist for Electronic Submission : This checklist form is required by the university for graduation. Please fill it out and send it along with your final copy to [email protected] to be processed.
  • Fill out the CSD PhD Online Exit Form .
  • Registering with Proquest is completely optional.

Send CSD PhD Support and CSD Student Payroll :

  • Your intended last day (this should be your intended certification date and match the date on the Survey of Earned Doctorates) and complete the CSD PhD Online Exit form .

Send CSD PhD Support and Catherine Copetas :

  • The .pdf of your final thesis - edits completed and approved by your advisor.
  • The Survey of Earned Doctorates Certificate.
  • The Completed Library Dissertation Checklist.  

When the required thesis forms are filled out and turned in along with your final thesis document, the Doctoral Program Manager will acquire the appropriate signatures on your Final Semester form, file it with the Registrar, and certify your degree in S3.

Official Graduation Dates:

  • University documents will show May, August, or December as your official graduation date. 
  • If you need a document verifying the date your degree was officially certified, please request an early completion verification letter. 
  • The form is available on the Registrar's Early Completion Verification page along with instructions to file the request.

May Commencement Timing Consideration:  

If you plan to graduate in the spring and attend the current May commencement & doctoral hooding:

All paperwork and your final thesis document must be turned in to the program by the Wednesday before spring semester DSR to allow time to gather advisor, department head, and dean's signatures to enter your certification into S3 by the Friday before commencement.

Please refer to the PhD Talks Scheduling Calendar for department deadlines for processing certifications to meet payroll (see ending stipend) and university deadlines. 

Graduates certified in the two week certification window after May commencement but before certification reopens for summer semester are considered a May graduate and will be invited to attend the next year's commencement. 

Before You Leave

Doctoral student payroll needs to be notified of your end date. 

NOTE: Doctoral students are paid semi-monthly. Pay is distributed on the 15th and the last working day of each month - the CMU Payroll Calendars will provide you more complete timing details.

Please keep this in mind when planning your final day for certification. If you are certified between the 15th and the end of the month a return request for over-payment of stipend will be required. 

Email the  Disposition of Movable Asset Form  to us only if you are taking your original department-issued computer with you when you depart and the computer was $5,000 or more at the time of purchase . 

  • If the asset form does not open properly for you, you may need to download the latest version of Acrobat Reader .
  • The original issued department asset tag is available by searching equipment in the SCS database: https://computing.cs.cmu.edu/help-support/equip-registration . 
  • Select "Search, Update and Remove Equipment Support". Under "Contact Username" It will either be your andrewID or your SCS WebISO ID (no @andrew or @cs... just the ID)
  • The department code is 15 (like our course numbers).
  • If you are not taking your computer (laptop or desktop) please email  [email protected] , provide the asset information on the Exit Form and to arrange to drop it off with PhD Support.  

Congratulations on reaching your final milestone for your doctoral degree!

Please be sure you have filled out the CSD PhD Online Exit Form ! 

Be sure to read the information about what happens to your Andrew account and how to set up and use your alumni email account .

Remove all of your belongings, turn your office key in to the Doctoral Program Manager, and please leave the space clean for new student occupancy.

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  • Dissertation Defense
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Dr. James Maddirala, Director, Creative Leadership for Innovation and Change, Ph.D. Program invites you to the Public Dissertation Defense

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UTC RAVE Alert

Proposal process and defense.

Data collection may not begin until the Dissertation Proposal has been successfully defended and the study has received IRB approval. 

The Dissertation Proposal

The Proposal should be prepared in accordance with UTC formatting/APA style guidelines and should include a committee page similar to the committee page for the Dissertation, as shown in the Thesis and Dissertation Standards (link:  Thesis and Dissertation ). The Dissertation Proposal should also include a Title page which replaces the word “Dissertation” with “Proposal.”

The Proposal includes the first three chapters (Introduction, Literature Review, and Methodology) and their traditional elements, the References, and appropriate Appendices (surveys, assessments, measurement scales). The Proposal typically begins with a description of the context or background for the research question(s) in the study. It also defines key terms and variables and identifies hypotheses.

For additional information, please refer to  Writing the winning thesis or dissertation: A step by step guide  by Joyner, Rouse, and Glatthorn. 

The Proposal PowerPoint

The Proposal defense includes a 20-25 minute PowerPoint presentation. The candidate will provide the Chair with a draft of the Proposal PowerPoint presentation  at least 14 days prior to  the Proposal defense.

The Proposal PowerPoint should focus on the research design process and should not typically exceed 14 slides total (not including references). The Proposal PowerPoint recommended organization follows:

  • 1-2 slides introducing the topic
  • 2-4 slides summarizing the background/literature (Chapter 2)
  • 5-8 slides describing the research questions and research design process (Chapter 3)
  • Slide(s) with references 

Defense and Approval of the Dissertation Proposal

The Proposal defense serves as an opportunity for the candidate to share with the Committee a complete first three chapters of the proposed study that is a comprehensive and well-defined plan for the dissertation. The format of the Proposal defense is a 20-25 minute brief and succinct presentation (including the PowerPoint presentation guidelines above) followed by questions from the Committee. The Dissertation Chair will determine when the Proposal is ready for review by the committee. The Chair provides the Committee with the draft manuscript  at least 14 days prior to the Proposal defense. The Chair will then contact the candidate and Committee to set a Proposal defense date and time (allotting 90 minutes). Once the date and time have been established, the Chair will notify the Program Office ( [email protected] ). The Program Office will distribute appointment invites for the defense. 

Candidates are expected to dress in professional business attire for the defense presentation. On the day of Proposal defense, the candidate will make a brief and succinct overview of the Proposal, ensuring that the following major points are addressed in a thorough yet clear manner:

  • Significance of the proposed research
  • A summary of key points extracted from the literature on the topic
  • A description of the conceptual framework and how the problem will be measured or assessed
  • A proposal for analysis and interpretation of data or evidence

The Proposal defense requires demonstration of two elements: 

  • The candidate, Chair, and Committee have thought deeply and carefully about the Proposal; the “big picture” is defensible
  • The candidate is able to weigh the suggestions of the Committee and accept those that will strengthen the study

Following the candidate’s presentation, each Committee member will be given the opportunity to present questions to the candidate; this is intended to probe the candidate’s understanding of the Proposal and to clarify, to both the candidate and Committee members, information which has been presented. Committee members may also suggest changes in any aspect of the Proposal at this point. It is imperative to remember that opinions may differ; should differences arise, the Chair will provide guidance.

After all Committee members have had opportunities to ask questions and make suggestions or comments, the Committee will deliberate and determine whether or not the Proposal has been successfully defended and can be approved. An approved Dissertation Proposal functions as a document/plan specifying that, assuming the candidate carries out the project as described in the Proposal, the Committee cannot find the Dissertation defense unacceptable based solely upon the research plan. However, it is important to note that approval of a Proposal does not ensure approval of Chapters 1-3 when defending the Dissertation.  

  • If upon completion of the Proposal defense, the Proposal is not ready for approval, the Chair will notify the Program Office ( [email protected] ) to hold the Examination Results Form. The candidate will work with the Chair to complete the Proposal based upon the Committee’s feedback and another defense meeting will be convened within a time frame agreed upon by the Dissertation Committee.
  • If there are revisions needed for the Proposal, the Chair will notify the Program Office ( [email protected] ) to hold the Examination Results Form. Once the requested revisions have been made and approved, the Chair will submit a copy of the manuscript to the Program Office and request that the Program Office circulate the Examination Results Form from each Committee member and the Program Director/Advisor.
  • If the Proposal is approved (with no revisions), the Chair will submit a copy of the manuscript to the Program Office ( [email protected] ) and request that the Program Office circulate the Examination Results Form for digital signatures from each Committee member and the Program Director/Advisor. 

Once the Proposal has been approved by the committee and Program Director/Advisor, the candidate may move forward with the IRB application process (link:  Academic Research Integrity ).  Data collection may not begin until the Dissertation Proposal has been successfully defended and the study has received IRB approval. 

Minimum Degree Credit Hours 

The Leadership and Decision-Making doctoral degree requires a minimum of 76 total graduate credit hours. Each Ph.D. candidate is required to successfully complete a minimum of 15 Dissertation credit hours and defend the Dissertation. Ph.D. candidates who do not complete the Dissertation hours within the 15 credit hour time frame must take an additional 2 Dissertation credit hours each semester through graduation. The candidate must be enrolled in a minimum of 2 Dissertation credits (LEAD 7999) during the semester in which the Final Dissertation Defense is held.  

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Dr. Suzannah Hicks, ’24, DBA: What My DBA Dissertation and Defense Was Like

September 10th, 2024 by Susanne Wissell

Dr. Suzannah Hicks, ’24, DBA: What My DBA Dissertation and Defense Was Like banner

If you are deciding between an academic PhD or a Doctor of Business Administration (DBA) degree, you may be interested in Dr. Suzannah Hicks’ experience. A professional data analyst and AI strategist, Suzannah recently earned her Doctor of Business Administration (DBA) degree through Johnson & Wales College of Professional Studies. She reflects on why she chose the DBA option and how writing and defending her dissertation has helped shape her career.

Why did you choose to earn a Doctor of Business Administration (DBA) degree?

Achieving this terminal degree has been a personal and professional goal all of my life..

thesis defense phd

I wanted a doctoral degree to support my goal of becoming an executive-level organizational leader. I was employed as a Data Strategist and Scientist for a not-for-profit organization dedicated to global information privacy. Recognizing that making data-driven decisions would benefit the organization, I worked hard to get leadership to buy into building a data team. The ideas I was formulating about data culture would later become a central focus of my dissertation.

I compared doctoral (PhD) degrees in data science with Doctor of Business Administration programs. Both are scholarly degrees; however, research in a PhD program emphasizes theoretical knowledge, while a DBA is geared toward applied research that I knew would support my goal to lead organizations in implementing innovative data and AI solutions. JWU’s DBA program, which has a concentration in Organizational Development, would be a powerful addition to my existing education and experience.

The JWU’s online DBA program was the perfect choice for me.

Working full-time, I needed a remote learning program, so I could complete assignments on my own schedule. JWU CPS’ curriculum made that possible because it is structured to deliver one course at a time in seven-week long classes. Every class in the DBA program offered practical information and guidance that I was consistently able to apply in my work. I was able to stay focused on both work and school, and ended the program with a dissertation I think is valuable and useful to the business environment.

How did you define your topic or problem for the dissertation?

Early in my DBA program I had planned to research the intersection between data privacy, marketing and business operations. I decided not to pursue that topic and chose instead to focus my dissertation topic on organizational data culture and how to drive its adoption.

Once I declared my topic, I used every class to advance my research for the dissertation. I tailored the final projects in each class to relate to building an organizational data culture. This strategy served me well — I was ahead when it came time to write my literature review, because I had already been researching the topic.

You accepted a new position while in the DBA program. How did changing jobs affect your dissertation?

During January 2024, six months before I was expecting to defend my dissertation, I accepted a full-time position as an AI Strategist, at Merchants Fleet. I believe that working toward my doctorate helped me get the job. Merchants Fleet was looking for a thought-leader, with expertise in the data and AI area, who could generate innovative ideas in preference to another engineer or technologist. They took a chance on me and fortunately, it has been an exceptional experience — one that is aligned with my career aspirations as a leader and strategist.

Originally my new organization was not a subject of my research; however, they agreed to become the subject after I changed my approach to data collection. Measuring an organization’s ‘culture’ is difficult. A highlight of my dissertation and defense was the methodology I developed by combining two previously unrelated survey instruments — one that measured an organization’s data analytics maturity and a second one that measured the decision-making style of the organization.

While the methodology needs to be repeated in other environments and be peer reviewed, the results suggest that the combined survey gives a valid — even powerful — measurement of data culture.

How did you prepare for your defense?

Most programs I had considered before enrolling in JWU’s online DBA program offered little academic support — students were on their own to research and write their dissertation. JWU follows a lock-step dissertation model that guides students through the dissertation process of defining, researching, writing and defending their thesis.

My primary advisor, Dr. Julie Bilodeau, was instrumental in helping me develop a successful dissertation. She provided support and feedback at every step. Dr. Larry Hughes, my methodologist, challenged my approach and my conclusions, which helped me produce better research and stronger results. My second reader, Dr. Eglen, provided ‘fresh eye’ perspective, which was extremely valuable.

As part of my preparation, I attended fellow students’ defenses, which helped me know what to expect. I also built up to the dissertation defense by first making academic presentations and by speaking at the Big Data Days virtual conference, hosted by Enterprise Big Data Framework.

When the time came to defend my dissertation, I felt thoroughly prepared to present the problem, why it was important in the business world and how my solutions could be implemented.

What was the dissertation defense process like?

Two weeks after completing numerous revisions and with the approval of my primary advisor, I defended my dissertation. Accustomed to making presentations remotely, I was comfortable defending the dissertation on Zoom.

Three members of my committee — my primary advisor, methodologist and second reader — attended with the Program Chair. I was allowed to invite students to join and view the defense, but they were not permitted to interact or ask questions.

The presentation of my dissertation lasted about 35 minutes, followed by questions from the committee about methodology. They asked how I reached a particular conclusion and how I might do things differently. Some of the questions were easy to answer, while many challenged me to defend my work.

The three committee members left the Zoom meeting and met together to discuss my defense. I felt anxious knowing there was no guarantee that the committee would decide to pass me. While we waited for 25 long minutes, the department chair and my guests were invited to ask questions or interact with me or each other.

When my committee returned, they informed me I had passed with revisions, a common result of three possible outcomes — pass, pass with revisions or fail. Pass with revisions means there were areas I needed to revise and clarify. I was asked to develop one insight I had gained to provide stronger evidence for my conclusions, as well as other more minor edits.

Going back and forth to make additional revisions heightened my frustration and anxiety. Waiting for feedback between revisions, while there was nothing to do, was more difficult for me than anything I faced while writing my dissertation. However, I appreciate that the process has strengthened my methodology and research results.

How did you implement your findings in your work setting?

Following the committee’s acceptance of my dissertation, I presented my findings to the Executive Team at Merchants Fleet. My company had been my research subject, so many of the findings relate directly to the organization and the work we do. Merchants has been enthusiastic about implementing a number of my suggestions, based on the research findings, which will create a stronger data culture, mature our data and analytics initiatives and improve our data work.

I’ve already made several professional presentations, as well as being interviewed about my dissertation topic on two podcasts. Through my workplace, I have been interviewed for two webinars and a trade journal for the fleet management industry. I’ve been told to expect more opportunities.

How did earning the DBA contribute to your long-term career goals?

Beyond achieving my life-long dream of earning a terminal degree, the DBA degree aligns with my career path as a data analyst and AI specialist. Currently I’m at the director level and a subject matter expert. The knowledge I’ve gained in the DBA program will help me advance to the executive level—possibly to vice president or further.

How did it feel to complete your defense and successfully earn your degree?

I remember smiling as I wrapped up my defense. Throughout my life l had been striving for success without knowing what success meant for me. Ultimately my dissertation and defense were successful because I knew my material and felt confident in my ability to discuss my research approach, methodology and findings and to answer questions. It didn’t matter that earning my doctorate was later in life than I had expected; it is never too late to achieve success.

JWU’s online DBA program

The online Doctor of Business Administration (DBA) program at Johnson & Wales has been recognized by Forbes Advisor as one of the 10 Best Online DBA Programs of 2024 . The DBA degree program prepares graduates to become executive level leaders, innovators, consultants, educators and policymakers. For more information about DBA program at Johnson & Wales College of Professional Studies, complete the Request Info form, call 855-JWU-1881, or email  [email protected] .

By clicking Get Started below, I consent to receive recurring marketing/promotional e-mails, phone calls, and SMS/text messages from Johnson & Wales University (JWU) about any educational/programmatic purpose (which relates to my inquiry of JWU) at the e-mail/phone numbers (landline/mobile) provided, including calls or texts made using an automatic telephone dialing system and/or artificial/prerecorded voice messages. My consent applies regardless of my inclusion on any state, federal, or other do-not-call lists. Consent is not a condition for receipt of any good or service. Carrier charges may apply. Terms and conditions apply .

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IMAGES

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    12. Get Plenty of Rest. Out of the dissertation defense preparation points, this one is extremely important. Obviously, sleeping a day before your big event is hard, but you have to focus and go to bed early, with the clear intentions of getting the rest you deserve. 13.

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    Once the deliberation has concluded, the Chair will inform you of your examining committee's decision. There are three possible outcomes to a PhD defence: Accepted: The thesis is completed to the satisfaction of the examining committee. There may still revisions required, but they are likely minor and typographical or editorial in nature.

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    A thesis defense is a cross between an exam and a ceremony. As with all ceremonies, rules must be followed, such as standing when the examiners enter the room and not addressing the examiners by their first names. Such rules are taken more seriously at some institutions than at others, but it's always a good idea to learn and observe them.

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    Summary. A PhD viva involves defending your thesis in an oral examination with at least two examiners.; The aim of a PhD viva is to confirm that the work is your own, that you have a deep understanding of your project and, overall, that you are a competent researcher.; There are no standard durations, but they usually range from one to three hours, with most lasting approximately two hours.

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  16. PDF A Guide for Graduate Students Preparing for a PhD Defense

    ur department Chair will approve the thesis for registration using the same online system. Then, requests for review and approval will go to the Arts, Sciences and Engineering Dean of G. duate Studies office and finally to the office of the University Dean of Graduate Studies. When all of these officials have appro.

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    Once a student's box is checked, the BPH student should set up a one-on-one "Defense Packet Meeting" with the BPH Associate Director to review the Defense and Dissertation Process, which includes reviewing all required materials, logistics, timing, FAS/Harvard Griffin GSAS Form of the Dissertation, sample forms, and to answer student questions related to these processes.

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    If upon completion of the Proposal defense, the Proposal is not ready for approval, the Chair will notify the Program Office ([email protected]) to hold the Examination Results Form.The candidate will work with the Chair to complete the Proposal based upon the Committee's feedback and another defense meeting will be convened within a time frame agreed upon by the Dissertation Committee.

  26. What My DBA Dissertation And Defense Was Like- JWU College of

    The ideas I was formulating about data culture would later become a central focus of my dissertation. I compared doctoral (PhD) degrees in data science with Doctor of Business Administration programs. ... A highlight of my dissertation and defense was the methodology I developed by combining two previously unrelated survey instruments — one ...