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Defending Your Dissertation: A Guide

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/

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.

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.

#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 .

#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?

#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.

#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.

#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.

#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.

Psst… there’s more (for free)

This post is part of our dissertation mini-course, which covers everything you need to get started with your dissertation, thesis or research project. 

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12 Comments

Very interesting

Interesting. I appreciate!

Really appreciating

My field is International Trade

Interesting

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”

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

Lovely to hear that 🙂

Really educative and beneficial

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

Thank you very much for the enlightening me, be blessed

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

Very interesting and useful to all masters and PhD students

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How to prepare an excellent thesis defense

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.

Preparing for your PhD 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 so that your degree completion is not delayed. Even if your thesis defence seems far away, there are several planning considerations you can consider early on to help the end stages of your PhD go smoothly.

On this page you will find videos, tools, and information about what the PhD thesis defence is , timelines for the PhD thesis defence , and tips for a successful PhD thesis defence .

All PhD students should also ensure that they read the PhD thesis examination regulations and review the thesis preparation guidelines prior to their oral defence. If your thesis defence will be conducted remotely, you should also review the process for a remote thesis defence .

What is the PhD defence?

Understanding the purpose, processes and possible outcomes of the thesis defence can help you feel more prepared for the defence itself. In this video, you’ll learn about what the defence is, who’s there, what happens, and the deliberation and range of possible outcomes.

Transcript - Demystifying the thesis defence at University of Waterloo (PDF)

You may wish to learn more about some of the topics discussed in this video. Here are some helpful links to learn more:

Examination committee members (including the external examiner): Visit the PhD thesis examination regulations section on the  PhD thesis examining committee for more information about the committee members, including information about the external examiner and conflicts of interest.

• Closed thesis defences and non-disclosure agreements: Visit the PhD thesis examination regulations section on guidelines for thesis examination without public disclosure for more information about closed thesis examinations.
• Thesis defence decisions and outcomes: Visit the PhD thesis examination regulations section on  decisions for additional information about decisions and outcomes.
• Thesis submission: Visit the thesis submission webpage for information about the thesis submission process, including approvals that must be obtained before submitting your thesis.
• UWSpace: Visit the Library’s UWSpace webpage for information about what UWSpace is and how to submit, or deposit, your thesis to UWSpace.

Timeline to defence

Early planning considerations.

Well before your defence date, there are several considerations to think about that can help make the end stages of your degree go smoothly and ensure your defence date and degree completion are not delayed:

• Being aware of formatting requirements will save you time on revisions later on – the last thing you want to be doing before submitting your thesis to UWSpace is updating page numbers or your table of contents! Consider using the Microsoft Word or LaTeX thesis template produced by Information Systems & Technology. 
• The Dissertation Boot Camp can help you develop effective writing practices and strategies for completing your thesis, while the three-part Rock Your Thesis workshop series will provide practical guidance for planning, writing, revising, and submitting your thesis project. You can also book an individual appointment to do backwards planning with an advisor. They can help you utilize the planning tools most effectively, while providing hands-on guidance and feedback.  
• If you are using third-party content, including your own previously published work in your thesis, or seeking intellectual property protection (for yourself or another involved party), there may be implications for your thesis or defence. Learn more about copyright for your thesis , and email [email protected] for help with copyright questions related to your thesis.
• Depending on your departmental or discipline’s norms, you may require approval from your entire committee, or just your supervisor. Ensure you talk with your supervisor and/or committee early on to confirm processes and timelines, so you’re not surprised later.
• Depending on your departmental or discipline’s norms, your supervisor may select an external examiner themselves, or they may seek your input. Talk to your supervisor early on about this process, as in some faculties the external examiner may need to be vetted and approved as early as the term before you wish to defend. Remember that there are conflict of interest guidelines around the appointment of the external examiner , and the PhD candidate should not be in communication with the external examiner prior to the defence.
• A PhD thesis must be on display for a minimum of 4 weeks prior to the defence date. To accommodate, you may need to submit your thesis as early as 6-8 weeks prior to your defence. Review your faculty specific backwards planning tool for the thesis submission deadline in your faculty and learn more about the display period in the PhD thesis examination regulations.
• After your successful thesis defence, you will likely have some required revisions to your thesis. It’s important to understand revision timelines , especially if you’re hoping to become “degree complete” before a tuition refund or convocation deadline. Find tuition refund and convocation deadlines in the important dates calendar .
• Following your thesis defence, there are several steps to be taken before your final, approved thesis is accepted in UWSpace. Ensure that you’re aware of these thesis submission steps and timelines in advance.

Backwards planning tools

Graduate Studies and Postdoctoral Affairs, in collaboration with the Faculties, have prepared faculty specific backwards planning tools to help PhD candidates map out the timelines related to their thesis defence and degree completion.

Select your faculty below to download a PDF copy of the backwards planning tool. We encourage you to discuss your ideal timelines with your supervisor(s) and your department graduate program co-ordinator.

• Faculty of Health backwards planning tool (PDF)
• Faculty of Arts backwards planning tool (PDF)
• Faculty of Engineering backwards planning tool (PDF)
• Faculty of Environment backwards planning tool (PDF)
• Faculty of Mathematics backwards planning tool (PDF)
• Faculty of Science backwards planning tool (PDF)

Tips for success

The PhD thesis defence is the culmination of years of hard work! The tips outlined in this video, compiled from recent PhD graduates and experienced thesis defence chairs, cover tips for preparing for your defence, day-of logistics, and defending successfully.

Transcript - Your Thesis Defence: Tips for Success (PDF)

Will your PhD thesis defence be held remotely? We’ve compiled additional tips for success specifically related to the remote defence.

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• CAREER COLUMN
• 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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Theses and Dissertations

Defense and submission.

Below is an overview of the main steps in preparing, defending, and submitting your thesis or dissertation. For detailed instructions on each step, see The Graduate School's  Guide for Electronic Submission of Thesis and Dissertation (PDF) , in addition to this video recording from a workshop given on the subject. 

• Schedule your defense and apply for graduation in DukeHub ( defense and graduation deadlines ).  
• At least 30 days before your defense: Confirm or update your defense committee.  
• Give your thesis/dissertation to your advisor for inspection, and prompt your advisor to send a letter to [email protected] stating that it is complete and ready to defend. Note: For students in School of Medicine Ph.D. programs, their advisor letters are generated through T3.  
• Request your DGSA to send a departmental defense announcement to  [email protected] . Note: For students in School of Medicine Ph.D. programs, their departmental defense announcements are generated through T3.  
• At least 2 weeks before your defense: Submit your complete, correctly formatted dissertation/thesis to ProQuest (initial submission). Also provide it to each member of your committee.  
• Optional: After you receive an email through ProQuest from the Graduate School administrator who reviewed your thesis/dissertation format, you may make an appointment for a brief, virtual meeting with the administrator to discuss any questions you have about the defense process or the recommended formatting revisions.  
• A few days before your defense, The Graduate School will generate your final examination certificate and email it to the chair/co-chair(s) of your examination committee and the DGSA of your department. Note:  For students in School of Medicine Ph.D. programs, their final examination certificates are generated and released through T3.  
• Defend your dissertation. After your final examination, your committee members will vote on whether you passed or failed. Your chair and DGS will record the votes on your final examination certificate, sign it, and submit it to The Graduate School. Your committee may vote that you passed but still require minor edits or corrections before final submission.  
• As soon as possible after your defense, submit to [email protected] the Non-Exclusive Distribution License and Thesis/Dissertation Availability Agreement (“embargo agreement”) signed by yourself and your thesis/dissertation advisor.  
• Within 30 days after your successful defense, or by the established final submission deadline (whichever is first): Submit the final version of your dissertation/thesis to ProQuest.

Guide for Electronic Submission of Thesis and Dissertation (PDF)

We provide the following templates for your convenience and to help you eliminate common formatting errors. However,  all submitted theses and dissertations must meet the specifications listed in the ETD guide . The manuscript must be a completed document, formatted correctly, with no sections left blank.

• Word Template for Thesis/Dissertation (Word)
• LaTeX Template for Thesis/Dissertation (ZIP)

Notes about the LaTeX Template

• This LaTeX template is for both master's and Ph.D. students. Master's theses must also have an abstract title page.
• Neither The Graduate School nor OIT supports LaTeX beyond providing this template.

Ph.D. and master’s students are required to apply for graduation in  DukeHub  by the established application deadline for the semester in which they plan to graduate.

Review the full graduation guidelines on the  Graduation Information and Deadlines  page. 

When you submit your thesis or dissertation electronically, you will also permit Duke University to make it available online through  DukeSpace  at Duke Libraries. See the pages below for more information about ETDs:

• ETDs Overview
• ETD Availability
• ETD Copyright Information 
• ETD Technical Help 

Check out the writing support  offered by The Graduate School, such as writing spaces, consultations, and access to online writing workshops, communities, and resources.

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Eva Lantsoght

November 30th, 2021, defending a phd thesis is an emotional moment candidates and supervisors should be prepared for.

4 comments | 55 shares

Estimated reading time: 6 minutes

The PhD defence, or viva, is significant academic rite of passage, which as well as marking the culmination of years of study, can also be a highly charged emotional moment.   Drawing on years of collecting accounts of PhD defences on her blog and her recent book (Planning and Passing Your PhD Defence, co-authored with Olga Degtyareva),  Eva Lantsoght , discusses how both PhD students and supervisors can benefit from a more engaged understanding of the emotions underlying the PhD defence. 

In the days leading up to my doctoral defence, I had a recurring nightmare about my supervisor forgetting to show up for my defence. I was well-prepared, and since I was defending in the Netherlands, my thesis was already printed and approved. Failing was virtually impossible. Why then, was I nervous about my doctoral defence to the point of having recurring nightmares?

After eventually passing my doctoral defence, I decided to collect stories about the doctoral defence (or viva, depending on the country) around the world for my blog. I was originally fascinated by the differences between defence formats (such as the sword newly minted doctors receive in Finland and the medal in Chile ). Over time, however, I started to see that below the superficial differences, all types of defence show similarities. One is that there is always an emotional dimension to the defence. My worries before my defence were hardly an isolated case. Many doctoral candidates report strong emotions around thesis submission, in the weeks leading up to the defence, during the event, and even afterwards, when the post-defence blues may kick in.

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project. However, in our recent book Planning and Passing Your PhD Defence , which I co-wrote with Olga Degtyareva, we have paid special attention to the emotional dimension of the defence (of course, in addition to the scholarly dimension preparing for answering questions, and other traditional aspects related to the doctoral defence). This was in part because, we strongly felt that we shouldn’t consider the defence as a regular examination, where a standard set of criteria are used to assess a student. Besides its function as an examination, the defence is also a rite of passage, a confirmation, a celebration, and the culmination of years of independent research work. Emotions are murky and difficult to factor in for assessment. The emotions involved in the doctoral defence make it a unique event: for the candidate, the examiners (or committee members), and for the supervisor. Being aware of these emotions, and bringing them to light, is important to understanding the defence better and the role it plays in a research career.

In my work on the doctoral defence, I found (to my surprise) that the major differences between defence formats did not influence the candidates’ perception much . On the other hand, I did find important differences in the emotions felt by candidates related to the defence, as a function of socio-demographic aspects, notably gender. Women doctoral candidates experience more negative feelings before the defence, and if they had a negative experience during the defence, the negative impact on their perception as a researcher could often be long-lasting. Being aware of how different groups experience the emotions related to the defence differently is important, especially for supervisors and examiners, and can be empowering for candidates. Besides simply being aware of the emotional dimension, it can also enable the small changes that can help settle things when emotions run high: taking a short break, offering water, getting up to open a window, or moving to another topic of the thesis.

While each PhD candidate, each research study, and each PhD trajectory are unique, there are some common emotions that deserve to be mentioned. First of all, in the weeks or days leading up to thesis submission, candidates often feel that the work is not enough, worthless, or otherwise insufficient, and these feelings can contribute to perfectionism. Other candidates may be so tired of the thesis that every small action may feel like a terrible chore. Some feel relieved upon submission, and others worry about how it will be received.

Many candidates also worry about how they will perform. For candidates in the United Kingdom, where the viva takes place before final submission of the thesis and may determine the level of corrections required for the thesis, candidates worry about what the outcome of the thesis and viva will be. Major revisions could potentially add months to the doctoral journey. Because the viva is behind closed doors, candidates also may not know very well what to expect. In the Netherlands, where candidates are sure they will pass, other causes lead to worry and anxiety. As the defence is public, candidates feel the pressure to perform well in front of the committee, friends, colleagues, and family.

it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions

The first step in dealing with this anxiety, is to name and acknowledge it, and to know that these feelings are normal. Candidates who passed without corrections worry about passing their defence as much as those who had more work on their thesis after the defence. Breathing techniques, meditation, and relaxation exercises can help. University counselling services should be there to support as well. Being well-prepared for the day of the defence itself may also help candidates to feel more in control over the day and their feelings. A positive action, such as stopping by colleagues and expressing gratitude to them before the defence, can improve defence-day-anxiety. Many candidates feel more nervous right before and at the beginning of their defence. Taking notes, repeating the question, or asking for clarification of the question, are all valid options to start answering in a calm and controlled manner. At the end of the defence, candidates can be nervous to hear the outcome, and the minutes while the committee is in deliberation may feel like hours. Then, after hearing the verdict, often the final flood of emotions (relief, happiness, pride, or perhaps disappointment, anger, or worry about the thesis revision) comes.

Emotions play an important role leading up to and during the doctoral defence. Understanding the role of these emotions is important for candidates, so that they know that what they are feeling is normal, and does not mean that they are not worthy of a doctorate. At the same time, it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions. Being aware of and holding space for these emotions allows all those who are involved in the defence to experience the defence, not simply as a test of knowledge, but as the important moment it is, in the formation and affirmation of a new scholar.

Note: This article gives the views of the author, and not the position of the LSE Impact Blog, nor of the London School of Economics. Please review our  comments policy  if you have any concerns on posting a comment below.

Image Credit: Ralph Leue via Unsplash. 

About the author

Dr. Eva Lantsoght is a Full Professor in Civil Engineering at Universidad San Francisco de Quito in Ecuador and tenured assistant professor at Delft University of Technology in the Netherlands. Her blog and co-hosted podcast PhD Talk addresses the mechanics of doing research, PhD life, and general academic matters. Find her @evalantsoght or at evalantsoght.com.

• Pingback: Defending a PhD thesis is an emotional moment candidates and supervisors should be prepared for - Multidimensional News for Educators

In Australia there is no defence process and typically no discussion between the examiners…lots of secrecy and anonymity for some reason.

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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.

• 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

Dissertation Acceptance Certificate Before the examination, the BPH Program Office will provide the Defense Committee Chair with a copy of the official Dissertation 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. 

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 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 to Defend a Dissertation

A candidate for an advanced degree must write up his research in a dissertation and then defend it orally before his committee. The dissertation defense comes after the long and laborious work of writing the dissertation and can be the source of anxiety for the student. Here are some tips to quell the anxiety and make the process run smoothly.

Know Your Material

After several years of research and several months of writing it up as a dissertation you probably know more about the topic than anyone else in the world. Review everything anyway. This has two advantages. First, half-forgotten references and lab work will be fresh in your mind, instead of buried somewhere in a few hundred pages of print. Therefore, you will be able to respond easily and promptly to questions that come up. Second, knowing that you are well prepared will give you confidence when you begin the presentation .

Narrow the focus

Your written dissertation is long, maybe 200–300 pages. The members of your committee have already read it, so there is no need to go over every detail. Stick to the main points, discuss the most important results . If the committee members want to hear more details, they will ask.

Prepare Visual Aids Carefully

Time you spend preparing visual aids will be amply rewarded in the time saved during the oral defense. The usual pattern of a dissertation defense is the same as that of any presentation— introduction, body, conclusion —or as it is often expressed, “tell them what you are going to tell them, tell them, then tell them what you told them.” The introduction describes the problem attacked and why it is important. The body describes the plan of attack and the results. Then follows a brief conclusion.

Defending the dissertation may seem old hat. Perhaps you have already given the essence of the defense in group or department seminars. Go through the graphs a few times anyway, speaking the words you will be saying. This will give you a sort of unconscious “muscle memory” of the tongue that will stay with you during the presentation. Even if you know what you want to say, the words might not come easily unless you rehearse .

Don’t worry too much about the defense. Your committee wants you to pass. If there were some major problem with your work, they would almost certainly have told you prior to the defense. Smile, be courteous, and don’t be afraid to interject a touch of humor now and then. I rather enjoyed my dissertation experience. Speaking to a handful of professors that I knew well, answering questions concerning the work, genially agreeing that one experiment was worth ten theories, I felt a glow of collegiality. And when after a short wait in the hallway, I was called in to shake hands with them as a newly minted Doctor of Philosophy, I actually felt like one.

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Defending a PhD thesis – are you ready for the emotions?

From the LSE Impact Blog

The PhD defence, or viva, is significant academic rite of passage, which as well as marking the culmination of years of study, can also be a highly charged emotional moment.   Drawing on years of collecting accounts of PhD defences on her blog and her recent book (Planning and Passing Your PhD Defence, co-authored with Olga Degtyareva),  Eva Lantsoght , discusses how both PhD students and supervisors can benefit from a more engaged understanding of the emotions underlying the PhD defence. 

Like so much else in life, a rite of passage for doctoral students has gone virtual during COVID-19: the PhD defense. You enter this event as a student. You leave as a newly minted PhD.

In the days leading up to my doctoral defence, I had a recurring nightmare about my supervisor forgetting to show up for my defence. I was well-prepared, and since I was defending in the Netherlands, my thesis was already printed and approved. Failing was virtually impossible. Why then, was I nervous about my doctoral defence to the point of having recurring nightmares?

After eventually passing my doctoral defence, I decided to  collect stories about the doctoral defence  (or viva, depending on the country) around the world for my blog. I was originally fascinated by the differences between defence formats (such as the sword newly minted doctors receive in  Finland  and the medal in  Chile ). Over time, however, I started to see that below the superficial differences, all types of defence show similarities. One is that there is always an emotional dimension to the defence. My worries before my defence were hardly an isolated case. Many doctoral candidates report strong emotions around thesis submission, in the weeks leading up to the defence, during the event, and even afterwards, when the  post-defence blues  may kick in.

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project.

Typically, discussions on the doctoral defence centre around the scholarly dimension. A defence is often viewed solely as an academic event marking and evaluating the end of a research project. However, in our recent book  Planning and Passing Your PhD Defence , which I co-wrote with Olga Degtyareva, we have paid special attention to the emotional dimension of the defence (of course, in addition to the scholarly dimension preparing for answering questions, and other traditional aspects related to the doctoral defence). This was in part because, we strongly felt that we shouldn’t consider the defence as a regular examination, where a standard set of criteria are used to assess a student. Besides its function as an examination, the defence is also a rite of passage, a confirmation, a celebration, and the culmination of years of independent research work. Emotions are murky and difficult to factor in for assessment. The emotions involved in the doctoral defence make it a unique event: for the candidate, the examiners (or committee members), and for the supervisor. Being aware of these emotions, and bringing them to light, is important to understanding the defence better and the role it plays in a research career.

In my work on the doctoral defence, I found (to my surprise) that the major differences between defence formats  did not influence the candidates’ perception much . On the other hand, I did find important differences in the emotions felt by candidates related to the defence, as a function of  socio-demographic aspects,  notably gender. Women doctoral candidates experience more negative feelings before the defence, and if they had a negative experience during the defence, the negative impact on their perception as a researcher could often be long-lasting. Being aware of how different groups experience the emotions related to the defence differently is important, especially for supervisors and examiners, and can be empowering for candidates. Besides simply being aware of the emotional dimension, it can also enable the small changes that can help settle things when emotions run high: taking a short break, offering water, getting up to open a window, or moving to another topic of the thesis.

While each PhD candidate, each research study, and each PhD trajectory are unique, there are some common emotions that deserve to be mentioned. First of all, in the weeks or days leading up to thesis submission, candidates often feel that the work is not enough, worthless, or otherwise insufficient, and these feelings can contribute to perfectionism. Other candidates may be so tired of the thesis that every small action may feel like a terrible chore. Some feel relieved upon submission, and others worry about how it will be received.

Many candidates also worry about how they will perform. For candidates in the United Kingdom, where the viva takes place before final submission of the thesis and may determine the level of corrections required for the thesis, candidates worry about what the outcome of the thesis and viva will be. Major revisions could potentially add months to the doctoral journey. Because the viva is behind closed doors, candidates also may not know very well what to expect. In the Netherlands, where candidates are sure they will pass, other causes lead to worry and anxiety. As the defence is public, candidates feel the pressure to perform well in front of the committee, friends, colleagues, and family.

it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions

The first step in dealing with this anxiety, is to name and acknowledge it, and to know that these feelings are normal. Candidates who passed without corrections worry about passing their defence as much as those who had more work on their thesis after the defence. Breathing techniques, meditation, and relaxation exercises can help. University counselling services should be there to support as well. Being well-prepared for the day of the defence itself may also help candidates to feel more in control over the day and their feelings. A positive action, such as stopping by colleagues and expressing gratitude to them before the defence, can improve defence-day-anxiety. Many candidates feel more nervous right before and at the beginning of their defence. Taking notes, repeating the question, or asking for clarification of the question, are all valid options to start answering in a calm and controlled manner. At the end of the defence, candidates can be nervous to hear the outcome, and the minutes while the committee is in deliberation may feel like hours. Then, after hearing the verdict, often the final flood of emotions (relief, happiness, pride, or perhaps disappointment, anger, or worry about the thesis revision) comes.

Emotions play an important role leading up to and during the doctoral defence. Understanding the role of these emotions is important for candidates, so that they know that what they are feeling is normal, and does not mean that they are not worthy of a doctorate. At the same time, it is also important for supervisors and examiners to be aware of this emotional dimension, and to know how different groups of candidates experience these emotions. Being aware of and holding space for these emotions allows all those who are involved in the defence to experience the defence, not simply as a test of knowledge, but as the important moment it is, in the formation and affirmation of a new scholar.

Dr Eva Lantsoght

About the author

Dr Eva Lantsoght is a Full Professor in Civil Engineering at Universidad San Francisco de Quito in Ecuador and tenured assistant professor at Delft University of Technology in the Netherlands. Her blog and co-hosted podcast PhD Talk addresses the mechanics of doing research, PhD life, and general academic matters.

This post originally appeared on LSE Impact Blog: https://blogs.lse.ac.uk/impactofsocialsciences/2021/11/30/defending-a-phd-thesis-is-an-emotional-moment-candidates-and-supervisors-should-be-prepared-for/

Note: This article gives the views of the authors, and not the position of the NIHR, Dementia Researcher or the LSE Impact Blog. Shared under the  Creative Commons Attribution 3.0 Unported (CC BY 3.0)

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/images/cornell/logo35pt_cornell_white.svg" alt="defending a thesis phd"> Cornell University --> Graduate School

Defending your thesis or dissertation.

Certain special exams are required to earn an advanced degree in the research-based programs at Cornell. Often, these exams need to be taken with consideration of anticipated completion dates.  Enrollment in future semesters after the date a student passes their M or B exam is not permitted. See Taking Exams for more information.

All exam forms are available on our Forms  page.

Exams Required for M.A. and M.S. Degree Defense

If you are enrolled in an M.A. or M.S. degree program, you must pass the final examination for the master’s degree. You can take this after all degree requirements have been fulfilled, but no earlier than one month before completing the minimum number of enrolled semesters.

To pass the exam unconditionally and receive a degree, all regular, proxy, and field-appointed members of the examining committee must assent that the exam was passed unconditionally. If you are enrolled in an M.S./Ph.D. degree program where the M.A. or M.S. degree is a prerequisite for your Ph.D., you may petition your special committee to approve combining the final examination for the master’s degree with the examination for the admission to candidacy.

Exam forms required for the master’s degree include “Schedule Master’s Examination” and “Master’s Exam Results Form and Instructions.”

Exams Required for Ph.D. Degree Defense

The B exam is an oral defense of your thesis or dissertation. This exam can be taken after completing all degree requirements, but not earlier than one month before completing the minimum number of enrolled semesters. At least two semesters of successful registration must be completed between the passing of the A exam and the scheduling of the B exam.

Exam forms required for the Ph.D. degree include “Schedule A Examination and Research Compliance Form,” “Schedule B Examination,” “A Exam Results Form,” and “B Exam Results Form.”

The qualifying exam, or Q exam, is required in some fields for Ph.D. applicants. This exam helps the special committee determine your ability to pursue doctoral studies, continue in a program, and tailor an appropriate program of study.

Information and Forms

There are two tracks within the Biology Ph.D. program:

• Cell, Molecular and Organismal Biology
• Ecology and Evolution

(Previously a part of the Department of Biology Hopkins Marine Station is now a part of the Oceans Department within  Stanford Doerr School of Sustainability )

Some requirements are the same across concentrations, and other requirements are concentration-specific. Please review the Ph.D. Handbook for specific details.

General Information and Forms

• Graduate Academic Policies and Procedures
• 2023-2024 Biology PhD Handbook
• CMOB Elective Course List 
• Registrar's Office Forms  (SUNet ID login required)

Teaching Assistant Evaluations (All years)

• TA Pre-Course Meeting Form  - Due within the first two weeks of starting each TA position
• TA Evaluation Form  - Due after each TA position

Special Circumstance Forms

• Graduation Extension Petition  (if applicable)
• Change of Advisor or Reading Committee Member Form  (if applicable)

First Year Forms

Forms for all first year students.

• Lab Rotation Evaulation  - Due after each rotation, if applicable
• NSF Application  - If eligible, Due October 18 (Life Sciences) or October 22 (Geosciences)
• Dissertation Lab Decision - Due May 1
• First Year Evaluation and Planning Form  - Due May 1
• IDP Meeting  - Due August 1

Additional Forms for EcoEvo & Hopkins Students

• First Year Advising Committee Form  - Due within the first 2 weeks of Autumn, Winter, and Spring quarters
• Seminar/Talk Evaluation Form  - Due June 1
• First Year Paper Evaluation Form  - Due June 1

Second Year Forms

In second year you will complete the qualification exam (forms below) then advance to candidacy (forms at bottom),  forms for cmob students.

• 2nd Year Qualifying Exam Evaluation Form

 Forms for Eco/Evo Students

• Dissertation Proposal Paper - Due May 15 (electronic Submission)
• 2nd Year Qualifying Exam Evaluation Form -

 Forms for Hopkins Students

Forms for all second year students.

• Application for Candidacy  
• Dissertation Reading Committee Form  
• Non-AC Committee Member Form  (if applicable)

Third Year Forms

Forms for all third year students.

• Committee Meeting Form  (annual)

Additional Forms for CMOB Students

• Seminar Evaluation Form  

Fourth Year Forms

Forms for all fourth year students.

• Request for TGR Status Form  - Due March 15 (after completion of 135 units and all of the first through third year requirements)
• Committee Meeting Form (Annual)

Fifth & Sixth Year Forms

Forms for all fifth and sixth year students.

• Committee Meeting Form  (Semi-annual)
• Committee Meeting Form  (Semi-annual)
• IDP Meeting  - August 1

Dissertation Defense & Submission

Dissertation deadlines.

• Draft of Dissertation - Send to committee 30 days before defense
• University Oral Exam Form found here - Due 2 weeks before defense
• Directions for Preparing and Submitting the Dissertation  -  Check due dates for each quarter

Archived Ph.D. Handbooks:

• 2018-19 

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Dissertation Defense for PhD student Jacqueline Kent-Marvick - March 6th, 2024