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The InThinking IB Psychology website was extremely helpful during my first two years teaching IB Psychology. I have been able to easily gain access and insight into the IB curriculum.

Margaret Holtgreive, Reagan IB High School, USA

Gracias por toda la informacón provista.

Mario Giraldo, American British Academy, Oman

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 Sep Angela Uno
    ALP 1.4 Biases in diagnosis
    The website links for the CAS piece in this lesson are not working for most of my students.
  • 22 Sep Kerri Morgan
    Template: Introduction
    I am confused about Paragraph 3. The rubric says that the IV and DV have to be operationalized in the null and research hypothesis. Do they have to be stated separately as well?
  • 22 Sep Sarah Asselborn
    Evaluating experiments
    Hi. If I assign this section to my students do they then have access to the drop down with the potential answers for the ATL: Critical Thinking? Thank you.
  • 22 Sep Maria Eugenia Muller
    Extended Essay
    You are right. I am finding it difficult to help her shape the question about neurosexism, choosing a behaviour but not assuming there are differences between the sexes.
  • 22 Sep Katrine Mortensen
    EE Criterion C. Critical thinking
    Hi John. You say that ethics are rarely interesting when evaluating, however, if the student mentions that the researchers used "deception by omission", should this then be evaluated/addressed? Sincerely, Katrine
  • 22 Sep Katrine Mortensen
    Evaluating EE questions
    Thanks, John - that has been my concern all along, which I haven't kept hidden from her. She has just handed in her first draft, so I just respond to what I see there (my reaction came from reading her introduction). I just wanted to know,...
  • Yes, the Rosenhan study is fine - but students need to be sure to be aware of its limitations. As for Bolton, this could be used to discuss cultural effects on normality. yes.
  • 22 Sep John Crane
    Mann Whitney U Test
    Thanks, Jenny. Fixed. Youtube must have had an update that I missed!
  • 22 Sep Chandana Bhandari
    Exemplar: Concepts of normality
    Hi John, Just wanted a clarification , Can we still use the Rosenhan study after all the criticism it faced last year? Can one use the bolton study in this response?
  • 22 Sep Jenny Clark
    Mann Whitney U Test
    Unfortunately, it doesn't even work on the site for me. It says that the video is private.
  • 22 Sep John Crane
    Evaluating EE questions
    Dear Katrine Everything you have written about developmental pyschology is correct. My biggest concern about the question is - why limit it to Chinese adoptees? This will mean that all of the research in the essay will have to use that sample...
  • 22 Sep John Crane
    Case study: Domestic violence
    Dear Leona Yes, it is. The IB even added it to an update of the guide as an "acceptable" research method.