1 janv. 1929 - Early form of testing in America Phrenology Henry C. Lavery --} american inventor --} built the "Psychograph" * automated phrenological measurements * uses a rating scale * created a profile of scores --} measurement somewhat reliable but not valid
Ajouté au bande de temps:
Date:
1 janv. 1929
Maintenaint
~ Il y a 96 ans