On 28, May 2012 | No Comments | In Mind | By Prlwytzkofsky
I was lucky to stumble upon a famous psychologists tool in a garage sale: an original 1955 first edition of the Wechsler Adult Intelligence Scale (WAIS), one of the first official IQ tests!
It is used to obtain a subject’s Verbal, Performance, and Full Scale IQ. As can be seen below, the first version is almost the same as used nowadays (never mind the Flynn effect).
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