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

Descripción:

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

Añadido al timeline:

The History of IQ

24 ene 2018

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650

fecha:

31 dic 1966 año

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~ 58 years ago

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