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A mind at peace, a mind centered and not focused on harming others, is stronger than any physical force in the universe.
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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...
Recommendations
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."
Graham Samson
Exeter College
"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..."
Warren King
YK Pao
Subscriber comments
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Dear John, As far as I understand students should put the studetn code on the title (first page) of the report, is that correct? Above it says that the code should not be in the main body and I'm not sure how to understand this. Thank...
IA checklist -
Dear John, Just for clarification, am I correct in understanding that students only need to interpret p-values (whether results are statistically significant or not), correlation coefficients, and effect sizes? Does...
Data analysis (HL only) -
Thank you John!
Biological factors: PTSD
Anthony
Hello, John! Where in the IB assessments might this content (prevalence of a disorder) appear and in what form? Thank you for your invaluable assistance!
Prevalence and OCD