41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
177628
15580
2
Public Timelines
FAQ

jan 1, 1939 - Structure of Mental Ability David Wechsler --} american psychologist --} worked with Spearman --} tested recruits for WWII --} developed Wechsler-Bellevue Intelligence Test * verbal * non-verbal (performance)

Added to timeline:

Date:

jan 1, 1939
Now
~ 87 years ago

Images: