Back in 1921, Hermann Rorschach developed a set of cards to be used in analyzing possible personality disorders in psychological patients. Theoretically, at least, if a person “saw” certain images in the inkblots, he was considered normal. Otherwise, if, for instance, where most people spotted a butterfly, he saw Leon Trotsky getting bashed with an axe, he stood a good chance of being hatched with the other boobies.
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