41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
177131
15580
2
Public Timelines
FAQ

jan 1, 1905 - Early Intelligence Testing Theodore Simon --} french psychologist, psychometrician --} developed testing scale with Binet * emphasized verbal abilities * differed from brass instruments tradition * did not include a method of scoring --} Binet-Simon Scale * scale used by french school system > screening for mental retardation * popular among educators * revised (1908, 1911) > added concept of mental age levels

Added to timeline:

Date:

jan 1, 1905
Now
~ 121 years ago

Images: