Explaining Theoretical Framework Viva Questions: A Four-Part Script
A four-part script for explaining your theoretical framework in a viva, the challenges examiners raise about theory, answer patterns, and a worked example.
The best approach to explaining theoretical framework viva questions is four short moves. Say what the framework is and whose it is, and name the two or three concepts you actually used. Then say why it fits your question better than a rival, and what it let you see in your data.
After that, stop and let the examiner pick a thread. The rest of this guide gives you the exact wording, the challenges that tend to follow, and a worked example you can copy the shape of. Viva rules and styles differ between universities and examiners, so treat it as preparation, not a prediction.
What the examiner is really asking
The examiner wants to know whether your framework does work in your thesis or only sits in it. A good explanation shows that the framework shaped how you read your data.
Charles Kivunja’s review of theory, theoretical framework and conceptual framework gives a useful test. He calls the theoretical framework “a theoretical coat hanger for your data analysis and interpretation of results”. He also calls it “a lens through which you focus upon your data”. If your spoken answer never reaches your data, you have described a theory, not your framework.
Kivunja writes that, in his teaching, many students found it hard to “articulate differences between theory, theoretical framework and a conceptual framework”. Examiners can test that difference directly, so it gets its own section below.
Theory, theoretical framework and conceptual framework in one breath each
Have a one-sentence version of each term ready, in your own words. Kivunja’s definitions make a sound base.
| Term | Kivunja’s wording (2018) | One sentence you could say |
|---|---|---|
| Theory | “a generalised statement of abstractions or ideas that asserts, explains or predicts relationships” | “A theory explains how things relate, in general.” |
| Theoretical framework | “a theoretical coat hanger for your data analysis and interpretation of results” | “My framework is the theory I used to read and interpret my data.” |
| Conceptual framework | “the logical conceptualization of your entire research project” | “My conceptual framework is how all the parts of my study fit together.” |
Writers use these terms in different ways, and your field may draw the lines elsewhere. If your thesis defines them differently, use your thesis’s definitions in the viva and say where they come from.
A four-part script for explaining theoretical framework viva questions
Use four moves: name, narrow, choose, show. Each move is one or two sentences, so the full answer stays short.
1. Name it. “My framework is [theory], from [author or tradition].”
2. Narrow it. “I didn’t use all of it. I used [concept A] and [concept B], which I define on page [X].”
3. Choose it. “I chose it over [rival] because my question is about [focus], and [rival] would have pointed me at [something else].”
4. Show it. “You can see it at work in [section], where [concept A] helped me separate [finding] from [finding]. Its limit is [what it could not explain].”
The fourth move is the one candidates tend to skip, and it is the one that answers the real question. Point to a page. Our guide on how to link your theoretical framework to your analysis covers making that link in the written thesis. This guide is about saying it out loud.
If you want help shaping spoken answers in general, our guide on how to structure a viva answer gives six answer shapes. The four moves above are a version of its “justify a choice” shape, built for theory.
A worked example (illustration only)
The example below is invented for this guide. It is not a real thesis or a real viva. It uses two real bodies of work, which are named and linked.
Imagine a thesis that interviews postgraduate students about why they keep using, or drop, language-learning apps. It uses self-determination theory. The theory’s own site describes “basic psychological needs for autonomy, competence, and relatedness” and points to Ryan and Deci (2000) for an overview.
Examiner: “Can you explain your theoretical framework?”
Candidate: “My framework is self-determination theory, from Ryan and Deci. I didn’t use all of it. I used two of its three needs, competence and relatedness, which I define in Section 2.3. I chose it over Davis’s work on perceived usefulness and perceived ease of use, because my question is about why students keep going, not whether they adopt the app at all. You can see it in Section 5.2, where competence helped me separate students who quit after a plateau from students who quit when a friend stopped. Its limit is cost: two students dropped the app when the free trial ended, and the framework says little about that.”
The rival in that answer is real too: Davis (1989) wrote on perceived usefulness and perceived ease of use. The answer itself is about 110 words. It names the theory, narrows it, defends the choice against a named rival and points to a section. It also offers a limit before the examiner has to find one.
Notice what it leaves out. It does not tell the history of the theory or list every concept. The examiner can ask for that, and you will have saved the time for the question they actually care about.
Eight challenges about theory, with answer patterns
Most follow-up questions about theory come from a small set of worries. Here are eight, each with a pattern for the answer. The wording is ours, written as examples of the kind of thing an examiner could ask.
| Challenge | What it tests | Answer pattern |
|---|---|---|
| “Why this framework and not [rival]?” | Whether you chose or defaulted | What your question needs, what the rival would make you look at, the cost of your choice |
| “You only use part of the theory. Is that legitimate?” | Whether your selection is deliberate | Which parts, why those parts serve the question, where you say so in the thesis |
| “Did you test the theory or use it?” | Deductive or inductive logic | Say which, and show how it shaped your questions, coding or variables |
| “Did the framework stop you seeing anything?” | Openness to the data | One finding the framework did not predict, and how you handled it |
| “What does your study add to the theory?” | Contribution | One point where your data extends, qualifies or contradicts it |
| “You combine two frameworks. How do they fit?” | Coherence | Which framework does which job, and where they disagree |
| “Define [concept] in your own words.” | Command of the terms | A plain one-sentence definition, then the page where you used it |
| “Would a different framework change your findings?” | Awareness of alternatives | What a rival would bring into view, and why your question still needs yours |
The “did the framework stop you seeing anything” question has a basis in the methods literature. Collins and Stockton (2018) argue that theory shapes nearly every part of a qualitative study. They also warn against leaning on theory so hard that it hides emergent findings. Have one example ready of something your data showed that your framework did not expect.
For the rival-framework question, our guide on how to disagree with a viva examiner has a script for when the examiner clearly prefers a different theory. Use it when the question is less a test and more a real difference of view.
Mistakes that weaken the explanation
Three habits make a framework answer sound weaker than the thesis is. Each one has a simple fix.
Reciting the literature. A tour of who said what about the theory sounds like your literature review. Fix it by starting with the four moves and offering the history only if asked.
Claiming the whole theory. If you used two concepts, say two. Claiming all of a large theory invites the question “where is [concept C] in your analysis?”
Hiding the limit. A framework that explains everything sounds untested. Name one thing it could not explain, and say what you did about it.
A one-page preparation sheet
Fill in this sheet before your viva and say each line out loud. If a line is hard to fill, that is the part of your thesis to reread.
| Prompt | Your answer |
|---|---|
| My framework in one sentence, with author | |
| The concepts I used, and their page numbers | |
| The concepts I did not use, and why | |
| My closest rival framework | |
| Why my question needs mine, not the rival | |
| One finding the framework helped me see (section) | |
| One thing it could not explain | |
| What my study adds to or changes in the theory | |
| My definitions of theory, theoretical framework and conceptual framework |
If you face a US dissertation defense
The framework explanation is the same, but the audience can be wider. In the US you defend to a committee, and the defense may be public.
At the University of Michigan, for example, Rackham’s dissertation policy says “Oral defenses are public”. It also requires a cognate member, who holds an appointment in a doctoral programme “other than the student’s home department/program”. That person may not share your theoretical vocabulary. Prepare a version of move one that defines your framework in plain words, without jargon, before you narrow it.
In Canada, universities such as McGill spell it “defence”. McGill’s oral defence proceedings begin with a 20-minute presentation, and questions usually run 60 to 90 minutes. A one-slide version of the four moves fits well in that opening talk. Rules differ between universities, so check your own.
What Thesisroom does with this
Defense Practice writes questions an examiner or committee could ask, each tied to a specific passage of your own thesis, in three styles: Practice, Rapid round and Mock panel. You answer in writing or out loud. Thesisroom does not write your answers or give you a script, so the four moves stay yours to fill. You can find it in the Defense Practice room.
Argument Map compares definitions, questions and claims across your thesis. That helps you spot a concept you define one way early on and use another way in your analysis, before an examiner asks you to define it.
Frequently asked questions
How long should my answer be when asked to explain my theoretical framework?
Aim for the four moves in one or two sentences each: name, narrow, choose, show. That is roughly a short paragraph spoken aloud. Stop there and let the examiner ask for more, rather than giving the theory’s full history.
What if my examiner is an expert in my framework?
Keep your answer about how you used it, not about the theory in general. You know your data better than anyone. Be exact about which concepts you used and where, and say plainly where your reading of the theory is narrower than theirs might be.
What if I chose my framework late, after collecting data?
Say so. Explain what you saw in the data that made this framework useful, and how it then shaped your analysis. A late choice that clearly fits the data is easier to defend than a story that hides the order of events.
Do I need a theoretical framework at all?
That depends on your field and your design. Some studies build theory from the data instead of starting with one. If yours did, explain that logic, name the approach you followed and show where the thesis says so.
Should I bring notes on my framework into the viva?
Check your university’s rules, because they differ on what you can bring. If notes are allowed, a few words per move are enough. The page numbers for your concepts are the most useful thing to have to hand.
What if I cannot defend my framework choice?
Grant the weakness, then show what the framework still did for your analysis. Say what you would change next time. A candidate who sees the limit of their own choice gives the examiner less to press on.
Sources
- Kivunja, C. (2018). Distinguishing between Theory, Theoretical Framework, and Conceptual Framework: A Systematic Review of Lessons from the Field. International Journal of Higher Education, 7(6), 44
- Collins, C. S., and Stockton, C. M. (2018). The Central Role of Theory in Qualitative Research. International Journal of Qualitative Methods, 17(1)
- Ryan, R. M., and Deci, E. L. (2000). Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. American Psychologist, 55(1), 68 to 78
- selfdeterminationtheory.org: The Theory
- Davis, F. D. (1989). Perceived Usefulness, Perceived Ease of Use, and User Acceptance of Information Technology. MIS Quarterly, 13(3), 319 to 340
- University of Michigan Rackham Graduate School: Academic Policies, Section 4
- McGill University Graduate and Postdoctoral Studies: Doctoral Oral Defence Proceedings
How this guide was made: Thesisroom drafted this guide with the help of AI writing tools, then checked every fact, figure and source by hand against the references linked above.