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14 Oct 2026
Research questions - IA and EE
What is the difference between an extended essay research question and an IA research question (RQ)? The first difference is that the IA proposal does not have to have an RQ; an aim is sufficient. But...
11 Oct 2026
Reflecting on P2B
In the second year of giving students practice Papers 2, Section B, I see they repeatedly make mistakes evaluating a study. These mistakes reflect more a misunderstanding of the goals of the assessment...
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See all"This site is an invaluable resource. The DP Psychology curriculum can often be overwhelming for new teachers, but the InThinking site makes it much easier to approach for a first-timer. The 'teacher resources' pages contain numerous highly-engaging lesson..."
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Subscriber comments
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where do I find the lesson on how to write a good research question? I saw it earlier, but I can not find it anymore. Could you send me the link please?
Internal Assessment -
Dear Jonassah Population validity is the result of sampling bias. If a sample is not representative of the target population to which the researcher would like to generalise their results, because of omissions of groups of people, then the findings...
Bias -
Dear Suzanna It does not have to link back to the class practical.
Paper 2: Section A
Laura
Site authorDear Warren The IB will be training moderators on how to judge what is an appropriate tool, but you make a good point, in that we could add something for teachers on what would be a good tool for measuring a certain behaviour, or observing it....
Sample questionnaire 1