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jan 1, 1929 - Early form of testing in America Phrenology Henry C. Lavery --} american inventor --} built the "Psychograph" * automated phrenological measurements * uses a rating scale * created a profile of scores --} measurement somewhat reliable but not valid

Added to timeline:

20 Oct 2017
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Timeline of the Development of Psychology
History of Psychology from the ancient period thru the moder...

Date:

jan 1, 1929
Now
~ 95 years ago

Images:

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