Who developed the concept of mental age and published the first successful test of intelligence?
A) Lewis Terman
B) Charles Spearman
C) Alfred Binet
D) William Stern

Question

Quizplus · Accepted Answer

Alfred Binet is credited with developing the concept of mental age and publishing the first successful test of intelligence, known as the Binet-Simon scale. Lewis Terman later revised and standardized the scale for American use, but it was originally created by Binet. Charles Spearman is known for developing the concept of general intelligence (or "g" factor) and William Stern is known for developing the concept of IQ (intelligence quotient).

Who Developed the Concept of Mental Age and Published the First