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19 feb 1917 anni - Test colectivos Alfa y Beta

Descrizione:

Aparecen los test colectivos Alfa ( dirigido a la población en general) y Beta (aplicado a personas analfabetas o que no dominaban el ingles) a raíz de la necesidad del ejercito norteamericano de reclutar rapidamente soldados para la primera guerra mundial.

Aggiunto al nastro di tempo:

Psicometría

ByMónica Meneses
3 mag 2019

Data:

19 feb 1917 anni
Adesso
~ 107 years ago
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