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IB command term

To what extent in IB exams: command term explained

By Michael Thompson - Head of Teaching Excellence; 15 years as an IB Coordinator

Published 1 October 2026 · Updated 3 October 20264 min

To what extent asks you to judge how far a claim or argument holds. You weigh evidence and counter-evidence, then commit to a clear, supported position on the degree, such as largely, only partly, or under specific conditions.

Paraphrased from the command-term definitions in the IB Diploma Programme subject guides (International Baccalaureate Organization).

What the command term asks of you

To what extent is a judging command term. The claim in the question is not something to describe or simply explain. You decide how far it holds by weighing the evidence for it against the evidence against it, and you finish with a clear position on the degree, supported by your argument.

A position on a scale

The word extent demands a position on a scale. Your answer therefore states a degree, for example largely, only partly, or in specific conditions, and then defends that degree. A reader should be able to say, in a sentence, how far you think the claim holds and why.

Where the judgement belongs

State your judgement in the introduction, argue it through the body, and return to it in the conclusion. If the verdict first appears in the final sentence, it reads as an afterthought rather than the thread that organised your answer. Each paragraph should move the judgement forward, not just add information.

Criteria and the strongest counter-argument

Criteria make a judgement defensible. Say what would count as a large or small extent in this context, then measure the evidence against that standard. The strongest answers also name the best counter-argument and show why it does not shift the overall judgement, instead of ignoring it.

Why fence-sitting fails

The characteristic failure is fence-sitting. An answer that ends with 'it depends', without saying on what and how much, has not answered the question. If your verdict is conditional, name the conditions and say how the degree changes under each.

Where it appears

History

In history, treat the claim in the question as a thesis to test. Set the evidence that supports it against the evidence that cuts against it, say what would count as a large extent, and reach a defended verdict on the degree.

History tutoring

Economics

In economics, a to what extent question asks how far an argument or claim holds. Weigh the case for it against the case against, name the conditions on which the degree depends, and commit to a position rather than listing points.

Economics tutoring

Psychology

In psychology, judge how far a claim holds by weighing the supporting evidence against the counter-evidence. State your degree plainly, such as largely or only partly, and show which evidence carries most weight in your judgement.

Psychology tutoring

Geography

In geography, decide how far a claim holds in the context given. Set out criteria for a large or small extent, measure the evidence against them, address the best counter-argument, and end with a clear, supported verdict.

Geography tutoring

Common mistakes

  • Describing or listing points without ever judging how far the claim holds.
  • Revealing the verdict only in the final sentence, so it reads as an afterthought.
  • Ending with 'it depends' without saying on what and how much.
  • Ignoring the best counter-argument instead of showing why it does not shift the overall judgement.
  • Giving a degree such as 'largely' without any criteria for what a large extent would look like.

Frequently asked questions

What does 'to what extent' mean in IB exams?
It asks you to judge how far a claim or argument holds. You weigh evidence and counter-evidence and commit to a clear, supported position on the degree of its validity.
Do I have to pick a side?
You must commit to a position on the degree, such as largely, only partly, or in specific conditions. A conditional verdict is acceptable if you say what the conditions are and how much they matter.
Where should I state my judgement?
State it in the introduction, argue it through the body, and return to it in the conclusion. A verdict that only appears in the last sentence reads as an afterthought.
How do I make my judgement defensible?
Use criteria. Say what would count as a large or small extent in this context, then measure your evidence against that standard and explain why the best counter-argument does not change your verdict.

Related command terms

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