What Happens in an Oral Exam? The Format, Questions and Grading Explained

For many students the first oral exam is also the first time they have been assessed by talking rather than writing. The uncertainty is often worse than the exam itself: not knowing who will be in the room, how the questions are chosen, whether you can pause to think, or how a conversation turns into a grade.

This article describes the format itself. It covers what usually happens, the types of questions you can expect and how grading works, with notes on the German system where the oral exam is especially common. Details vary by university and module, so always check your own examination regulations. When you know what to expect, the guide to preparing for oral exams covers how to get ready for it.

What happens in an oral exam from start to finish?

Most university oral exams follow a similar sequence, even when the subject and length differ.

1. Waiting and identification. You wait outside the examiner's office or the exam room until called in. You may be asked for your student ID and to confirm that you are fit to sit the exam. In Germany this confirmation matters: if you start an exam while ill, it is usually much harder to have the attempt cancelled afterwards.
2. A short opening. The examiner introduces the people in the room and may explain the format. Some begin with an easy question to settle you in.
3. The opening question or chosen topic. Many exams begin with a broad question such as "Explain the main idea of this model" or with a topic you were allowed to choose in advance. This part is often the longest uninterrupted answer you give.
4. Follow-up questions. The examiner picks up on something you said and asks for more detail, a reason, an example or a comparison. This is where most of the grade is decided.
5. Topic changes. In a 20 or 30 minute exam the examiner will usually cover two to four areas of the module, moving on once they have a clear picture of what you know in one area.
6. Deliberation. You are asked to wait outside while the examiners agree on a grade. This usually takes a few minutes.
7. The result. You are called back in and, in many cases, told the grade straight away, sometimes with brief feedback. The official result is recorded later through the exam office.

Who is in the room during an oral exam?

The standard setup at a German university is one examiner, usually the lecturer of the module, and one assessor. The assessor (Beisitzer or Beisitzerin) is often a research assistant from the same chair. Some regulations require two full examiners instead, particularly for final attempts and degree-level examinations.

In the UK and elsewhere, oral examinations are most familiar as the viva for a dissertation or doctorate, with an internal and an external examiner. Language degrees and medical schools also use oral and practical formats regularly. Group oral exams, where two to four students are examined in the same session, are used in some programmes to save time. International students who are new to the German setup may find the overview of exams at German universities for international students useful as background.

Common oral exam formats compared

The lengths above are typical ranges, not rules. Your examination regulations or module handbook set the exact duration and the examiners involved.

What kinds of questions do examiners ask?

Question: Are oral exam questions different from the questions on a written exam?

Answer: The content is the same, but the questions build on each other. A written exam gives you a fixed list. An oral exam adapts to your answers, so each question tends to go one step further than the last.

• Overview questions: "What is this module about?" or "Give me an overview of topic X." These test whether you can structure a field.
• Definitions: precise statements of a term, theorem or principle, often followed by "Why is that condition needed?"
• Explanations: why a mechanism works, why a result holds or why a court decided a case the way it did.
• Comparisons: how two theories, methods or models differ, and when you would use each.
• Application: a short example or case where you apply a concept on the spot.
• Sketches and derivations: in technical subjects you may be handed paper to draw a diagram, write a formula or outline a proof.
• What-if questions: the examiner changes one assumption and asks what happens. These are designed to separate understanding from memorisation.

Expect the examiner to keep going until you reach the limit of what you know. That is how the format finds the right grade, and it happens to strong students too. Being able to explain an idea in plain language is the best preparation for this kind of questioning, which is the core of the Feynman technique.

How is an oral exam graded?

Grading criteria differ by subject, but examiners commonly look at four things: whether your answers are factually correct, how far your understanding goes beyond definitions, whether you can connect topics and apply them, and how clearly and logically you explain. How much help you needed also counts. An answer reached with several hints is usually weighted lower than one you produced on your own.

In Germany the grade is given on the usual 1.0 to 5.0 scale, where 4.0 is the lowest pass. After the deliberation the examiners agree a grade, with the assessor's notes as a reference. Fluency in the language of the exam is not normally a criterion in itself, but unclear explanations make it harder for examiners to see what you know.

Students often expect oral exams to be harsher than written ones. The evidence does not clearly support that. A 2012 study by Huxham, Campbell and Westwood compared oral and written assessment of the same material in a university biology course. Students assessed orally scored higher on average, while many described the oral format as more stressful. One study is not a rule, but it suggests the format is not a disadvantage for students who prepare well.

What is the exam protocol and why does it matter?

Question: What does the assessor actually write down during the exam?

Answer: At German universities, the assessor keeps a protocol (Prüfungsprotokoll). It normally records the date, the people present, the start and end time, the topics covered, the main questions and a short note on how each answer went. It is not a word-for-word transcript.

The protocol matters for two reasons. First, it is the record used if you later question the grade, so most regulations give you some right to inspect it. Second, some student councils (Fachschaften) collect memory protocols written by students after their exams. These give a useful picture of which topics a particular examiner tends to ask about, although they should guide your preparation rather than replace it.

What happens if you go blank or do not know an answer?

Silence feels much longer in the room than it is. You are allowed to take a few seconds to think, and saying "Let me think about that for a moment" is normal. If you do not know an answer, say so briefly and offer what you do know: the related concept, the first step of the reasoning or a similar example. Examiners usually respond by rephrasing the question, giving a small hint or moving to another topic.

If nerves are a recurring problem for you in exams, the guide on overcoming test anxiety covers practical techniques. For oral exams specifically, the most reliable remedy is practising answering questions aloud before the day, so that speaking about the material is already familiar.

FAQ: What happens in an oral exam