
Since the 1890s, psychiatrists have been using klecksography (the art of creating images from inkblots) to analyse their patients, but it wasn't until Hermann Rorschach wrote his 1921 book Psychodiagnostic that the treatment made its way into the public psyche. By the 1960s, Rorschach's series of ten, ambiguously ink-blotted cards had become the most widely-used projected form of testing and, in spite of contemporary criticism of their objective validity, they…
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