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1 dic 1911 año - William Stern developed a formula for the Intelligence Quotient (IQ)

Descripción:

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 feb 2024

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215

fecha:

1 dic 1911 año

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~ 113 years ago

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