What's behind the Rorschach inkblot test?

24 July 2012 Last updated at 19:54 ET




Few devices from the world of psychology have entered popular culture quite so much as Hermann Rorschach's famous inkblot test. But the test still divides psychologists, writes Dr Mike Drayton.
I first came across the Rorschach inkblot test when I was training to be a clinical psychologist. I was shown a series of cards containing inkblots and asked to say what they looked like to me (Tester: "What does this look like?" Me: "A bat.") I remember thinking that it felt more like a tarot reading than a proper psychometric test.
However, when the test

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