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

Описание:

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 фев 2024

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Дата:

1 дек 1911 г.

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~ 113 г назад

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