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28 Oct 2026
IA: The data collection tool
For Criterion C, students are required to create “an appropriate and effective data collection tool” to investigate the issue they have identified within their population of interest. But what exactly...
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...
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See all"John Crane provides an invaluable resource for all IB Psychology teachers. The site provides up to date studies and relevant material in the current news. It has become my go-to source for IB specific materials."
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Exeter College
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Subscriber comments
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Thank you!
Paper 1: Section A -
Hello! I think there must have been a mix-up for the description of "Task 2. Evaluating research" above. It refers to a study about the impact of traffic in Hong Kong but the attached study (Alonso et al.) relates to a different topic.
OCD: Environmental factors -
Thank you, John! This was very helpful! :)
Cognitive biases
Adriana
Hi John and Laura, hope you are well. Would you recommend a traditional "to what extent" written structure that goes for, for & against (or vice versa) OR a more tailored approach that looks at the extent to which each of the 3 chosen sources...
Culture and relationships (sample)