dec 29, 1938 - David Wechsler Creates the Wechsler–Bellevue Intelligence Scale
Description:
Wechsler agrees with Binet who thought intelligence was many factors and not just one. Wechsler categorizes intelligence into three categories; the ability to act with purpose, to think rationally and to deal effectively with one's environment. Through this organization of intelligence he creates a new IQ test.Added to timeline:
Date:
dec 29, 1938
Now
~ 87 years ago