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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

Gracias por toda la informacón provista.

Mario Giraldo, American British Academy, Oman

Subscriber comments


  • Dear John, I would appreciate if you could help me clarify the meaning of the top mark band for Analysis. Please see my questions below IN CAPS: 1) Descriptive and inferential statistics are appropriately and accurately applied. I ASSUME...
  • 19 Feb Dwi Astuti
    Qualitative research methods
    Okay. Thanks a lot, John.
  • 19 Feb Richard Knuckey
    Unit plan: Treatment
    Hi John I've (somewhat foolishly in hindsight) decided to focus on the Treatment topic for Abnormal. From what I've garnered from you and others the possible treatment questions could be: - Discuss ethical considerations in the treatment of...
  • 18 Feb KIS International School
    Writing samples: Cognitive
    Thanks John. Ana
  • Hi there, I know this is based on a student answer and you want to show us authentic examples but I think it might be worth pointing out a problem with the vocab in the part that says "The study had a large sample size. This means increases...
  • 18 Feb Karl Sineath
    LP 7: The evolution of attraction
    As my students start reviewing material for the exam, I've run across this question: Can students use studies about language acquisition--such as those that show how language perception changes in the first year (Werker & Lalonde, 1988)--to...
  • 18 Feb Karl Sineath
    LP 9: Genetics and sexuality
    As I start to move into review mode, it is not entirely clear to me the kind of exam question that would lead students to discuss epigenetics. My understanding is that the questions on the exam can be asked at the topic-level or the content-level,...
  • 18 Feb Richard Knuckey
    Writing samples: Abnormal
    No probs .. I understand. Thanks again for the great efforts.
  • 18 Feb Phil Higgins
    Biological approach
    John, I posted this originally in the wrong place, but hopefully this is more appropriately located: Fellow IB psychology teachers, if you haven’t viewed “three identical strangers” there is so many applications to the curriculum in this...
  • 18 Feb John Crane
    HRLP 2.1 Biology of attraction
    Dear Sergio Not necessarily. If they are asked about a biological approach, they could focus on two different biological factors.
  • 18 Feb John Crane
    Qualitative research methods
    Dear Dwi It is rather tricky. Sometimes, it is a research method. In that case, it functions sort of like a "written interview." The results are then analysed through a content analysis. But when people are given a questionnaire or survey...
  • 18 Feb John Crane
    Depressive disorders
    Dear Joel I am also teaching some of this for abnormal psychology. It is definitely possible to use for biological arguments, even though it is not part of the core specifically.