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31 déc. 1966 - The Wechsler Preschool and Primary Scale of Intelligence (WPPSI) is Published

Description:

A new IQ test for ages four through six is created and published.

Ajouté au bande de temps:

The History of IQ

24 janv. 2018

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651

Date:

31 déc. 1966

Maintenaint

~ Il y a 58 ans

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