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

I am very grateful to have an "online collegue" to get new input from, and very importantly, a very organized and structured such.

Viktoria Bergö, Aranäsgymnasiet, Sweden

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

  • 25 May Isabelle Lacoste
    FAQs for Internal Assessment
    Probably because I'm new to the course and don't know what the difference was before! But good, I'm happy to see I understood correctly! Thanks
  • 25 May John Crane
    Origins of prosocial behaviour
    Well spotted, Jane. I will fix this.
  • 25 May John Crane
    FAQs for Internal Assessment
    Ah! No one pointed that out the whole first two years! I will fix that. Thanks, Isabelle!
  • 25 May John Crane
    Moms and childhood obesity
    Ian I think that is good advice. You may remember the discussion on Facebook about purposive sampling. In qualitative research, most sampling is purposive, meaning that some consider this an unnecessary qualifier and not a valid sampling technique....
  • 24 May Jane Sidwell
    Origins of prosocial behaviour
    I'm confused by the first question in checking for understanding. Do you mean to say "which is a true statement?".. Just the words "always" would lead me to believe they were untrue statements!
  • 24 May Isabelle Lacoste
    FAQs for Internal Assessment
    Hi John I don't understand this sentence in your text above: Each group must collect its own data. More than one group is allowed to research the same hypotheses (HL) or aims (SL), but each student must write up his or her own individual report. What...
  • 24 May Ian Latham
    Moms and childhood obesity
    Similar query. The phrase 'recruited from' suggests they were contacted, asked and they volunteered - but this is not stated. While there is explicit reference to making use of the participants from a previous study - which directly relates...
  • 24 May Emma Whittle
    Ronay and von Hippel (2010)
    Thank you. Yes, I gave her 4/9 as I don't think she fully understood. I appreciate your advice.
  • 24 May Daniel Rosen
    Command Terms
    Many thanks. Sorry for the late response
  • For hormones I use Sapolsky and Meaney. I do not teach any pheromone research in animals. As for genetics, I teach about the OB rat and Cases research.
  • 23 May John Crane
    Practicing Paper 3
    Dear Karlina I think so, but they would need to unpack it a bit more than the one sentence you have above.
  • 23 May John Crane
    Self-efficacy and pedometers
    Dear Laura Students do not need to label it as a field or lab experiment. On a paper 3 I would only label it as an experiment. I think that this is a randomly allocated field experiment - which is totally possible. There is no lab as the...