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1 ene 1974 año - The Weschler Intelligence Scale for Children - Revised (WISC-R) is Published

Descripción:

Everything on the test remains the same, but the age range is changed from 5-15 to 6-16.

Añadido al timeline:

The History of IQ

24 ene 2018

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fecha:

1 ene 1974 año

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~ 51 years ago

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