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

Descrizione:

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

Aggiunto al nastro di tempo:

Famous psychologist's timeline

ByMatthew LaBreck
5 feb 2024
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215

Data:

1 dic 1911 anni
Adesso
~ 113 years ago
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