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1 déc. 1911 - William Stern developed a formula for the Intelligence Quotient (IQ)

Description:

Stern proposed dividing an individual's mental age by their chronological age to obtain a single ratio.

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Famous psychologist's timeline

ByMatthew LaBreck

5 févr. 2024

0

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215

Date:

1 déc. 1911

Maintenaint

~ Il y a 113 ans

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