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

22 jan 1912 ano - William Stern developed the original formula for the Intelligence Quotient (IQ) after studying the scores on Binet’s intelligence test

Adicionado na linha do tempo:

History of psychology

11 dez 2017

0

0

694

Data:

22 jan 1912 ano

Agora

~ 113 years ago

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