In the 1960s, a psychologist from Bath devised a puzzle involving four cards that he described as 'deceptively easy'. But almost 60 years on, Peter Wason's puzzle is still leaving people stumped, with ...

Evolutionary psychologists argue that we can understand the workings of the human mind by investigating how it evolved. Much of their research focuses on the past two million years of hominid ...

One of the longest-running debates in modern psychology centers on the correct interpretation of the Wason Selection Task. Peter Wason originally designed the test to see if people applied logic that ...