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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


  • 22 Apr Stacey Locascio
    Wedekind (1995)
    Though we can use this as an answer regarding pheromones, humans do not have pheromones, so how would you suggest we tie MHC to pheromones? How should we say they relate? That like in animals, humans may choose mates based chemical communication...
  • Hi John, not sure if this is a reasonable question to ask. My students have done an IA on anchoring bias - two conditions, in each condition the participant is required to answer either A or B. Will this be nominal data? Thank you, Nikki
  • 21 Apr John Crane
    Practicing Paper 3
    Dear Ben The first part of your question is a good ine. Personally I don’t see demand characteristics as biases. I have not prepatef my own students in this way and I have focused only on researcher biases. I have no clear understanding...
  • 21 Apr John Crane
    IA changes
    Dear YoungMin You can either ask on the Facebook page if there is another school in the same situation who would like to collaborate, or your student may work with a non-IB psychology student to carry out the experiment.
  • 21 Apr John Crane
    Writing samples: Relationships
    Dear Jyaysi Yes, that is the case.
  • 21 Apr Ben Littler
    Practicing Paper 3
    Hi John- I have a few questions in regard to the prompt "Discuss how the researcher could avoid bias in this study" 1) Are ways to avoid participant bias relevant to the question or does the bias have to relate to the researcher directly?...
  • 21 Apr YoungMin An
    IA changes
    Dear John. I am a new teacher and start teaching this course next academic year. Just trying to be ready and learn things in advance. There is one change in general section that I am concerned about. Students must work in a group. The must...
  • 21 Apr JYAYSI KAPADIA
    Writing samples: Relationships
    Dear John, Just making sure for social responsibility for May 2019 students can be asked biological approach, cognitive approach and sociocultural approach specifically for social responsibility?
  • 20 Apr John Crane
    Localization & Plasticity
    Dear Lakshmi I don’t know this study. If t uses a technique and shows localization of function, it is fine.
  • 20 Apr Lakshmi Priya Vivek
    Localization & Plasticity
    Amygdala in the perception of fearful stimuli by Ahs etc al 2009, can this study be used for location and technique to study brain?
  • 20 Apr John Crane
    Internal Assessment
    Dear Anthony I believe that your IB coordinator can request to get them back for a fee. As far as I remember, we have always only received a composite score, never the individual criteria. This is because not all are marked and even those...
  • Argh. Thanks. This sometimes happens in software updated. I will fix on Monday when I am home.