Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

31 dez 1919 ano - Trabaja en el laboratorio de Alfred Binet. Estandariza pruebas de inteligencia.

Adicionado na linha do tempo:

Jean Piaget

14 out 2018

0

0

516

Data:

31 dez 1919 ano

Agora

~ 105 years ago

Imagens:

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL