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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, United Kingdom

InThinking has been a tremendous help for a first time IB Psychology teacher. The students have found the lessons relevant and rigorous. I am very impressed by the variety of materials and writing samples available on the website.

Roger Orstad, Cedar Ridge High School, USA

I have used several of the resources on this site! In addition, the site organization has helped me to better grasp how to organize my coursework...I wish I had more free time to search on the site! I'm grateful that our school paid the subscription...

Kathi Kahoun, Worthington Kilbourne High School, USA

Subscriber comments


  • 21 Nov John Crane
    D. Analysis
    Dear Viktorija - it can be handled in different ways. The IB argues that we should keep all data since this is what happens when we study human behaviour. They could also discount data that was more than 2 standard deviations away from the...
  • 21 Nov Viktorija Dimitrovska
    D. Analysis
    Ooops sorry... Ok My question would be if students have outliers should they remove them and explain why they removed them, or should they do additional tests, such as calculating semi-interquartile range to eliminate outliers that may distort...
  • 21 Nov John Crane
    D. Analysis
    Dear Viktorija I cannot give feedback on actual student work. I can only answer specific teacher questions. As a person who is involved with assessment, this would be a breach of my contract with the IB. If you have a specific question about...
  • 21 Nov John Crane
    LP 2: Introducing SAQs
    Dear Dawn, Please read through the Paper 1 clarifications under "updates." There is an explanation of how questions are set. No, they may not ask a question combining research methods or ethics with specific content - only at the topic level.
  • Dear Laura Students need to be able to write about the role of biological factors in the etiology of depression, but there is no list of what is required. So, knowing about genetics should be enough. Although I think that when it comes to...
  • 21 Nov John Crane
    FAQs for Internal Assessment
    Dear Yinan Yes, that is totally fine. Students should have translations for the moderators to be able to best understand what was actually done in the IA. No worries.
  • 21 Nov John Crane
    Writing samples: Abnormal
    Dear Ama They may focus on a single aspect of the biological approach or a take a broader approach to the biological approach.
  • 21 Nov KIS International School
    Writing samples: Abnormal
    Dear John, Just a last clarification if the students are writing on biological etiology can they just focus solely on the genetic argument of depression or do they have to focus on multiple aspects of the biological approach. For example,...
  • 20 Nov Sarah Asselborn
    Biological
    Got it. Thank you for all your hard work in creating such great support materials. Sarah
  • 20 Nov Dawn Clare
    LP 2: Introducing SAQs
    Hi John is it possible that an examination question could be set on the topic rather than on specific content i.e., focused on the individual and the group rather than social identity theory? Thank you Dawn
  • 20 Nov Yinan Zhao
    FAQs for Internal Assessment
    Dear John, I am currently having a concern of guilding my students working on the IA project. Since all the participants are students from Chinese high school, is it OK for my students to communicate with their participants in Chinese and using...
  • 20 Nov Laura Anderson-Rice
    ALP 2.1 Biological etiology of MDD
    Hi John, In terms of the exam, is it enough to know the genetic explanation or do they need the serotonin and cortisol hypotheses with accompanying research? Thanks, Laura