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An excellent resource which really supports my teaching. I particular have used the Paper 3 stimulus material - they have been a great resource especially the model answers.

Hilary Rowark, St. Christopher’s School, Bahrain

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


  • 14 Oct Isabelle Lacoste
    SAQ marking: Stereotyping
    Dear John When you see this SAQ title, do you have to understand "explain why stereotypes are formed"? In your samples you use illusory correlation, but I guess it's also OK to use SIT or conformity research, with Rodgers & Frantz? What about...
  • 14 Oct Erica Behrens
    D. Analysis
    Hi John, Sorry if there is an obvious answer to this question. Above you advise using the range or semi-IQR, but not the IQR. Is IQR as good at dealing with outliers as the semi-IRQ and therefore suitable for such data? I see the only difference...
  • 14 Oct Erica Behrens
    D. Analysis
    Thanks very much
  • 14 Oct Steve Kerr
    Hormones
    Hi John, Just a note that the link to McGaugh and Cahill on this page appears to be dead - should point here: Steve
  • 14 Oct Danyelle Cawood
    D. Analysis
    Thanks John, that's what I thought, but was getting confused by the different opinions!!
  • 14 Oct John Crane
    D. Analysis
    Dear Erica You can calculate the IQR with numbers that are not whole numbers. It is not a problem. You can see here how to do the calculations. /
  • 14 Oct John Crane
    D. Analysis
    Dear Danyelle Glanzer and Cunitz is ratio. Ratio data is interval data with a natural zero point. The participants could remember 0 words. As for Bransford and Johnson, it is the same. The number of discreet details recalled. If they are...
  • 14 Oct John Crane
    SAQ sample: Culture and memory
    Dear Emma, Sorry, I will update the heading above. Students may choose to write about cognition or behaviour in the sociocultural approach. My guess is that most students will write about cultural dimensions and behaviour.
  • 14 Oct Danyelle Cawood
    D. Analysis
    Hi John, Could you please clarify the types of data that will be produced for the following studies. There seems to be different opinions from what I have read on different sites. For Glanzer & Cunitz - number of words recalled at end of...
  • 14 Oct Isabelle Lacoste
    Assessment: Paper 1
    Thanks John, very helpful, it's so difficult to follow all the updates of the IB. I also teach French B and ab initio which had new curriculum last year with first exams coming up and self-taught literature with new curriculum this year, so...
  • 13 Oct Erica Behrens
    D. Analysis
    Hi John, Please could you advise how to approach calculating the semi-interquartile range when the the lower and upper quartiles are not whole numbers? Would students be penalised for just using the range if there are outliers in their data?
  • 13 Oct Emma Whittle
    SAQ sample: Culture and memory
    Dear John I think I am confusing myself now. I'm teaching the influence of culture on behaviour/cognition. Is this SAQ question and response for this section? Could the above question still be asked in 2020? You mention the clarifications...