French psychologist Alfred Binet (1859-1911 ... then success on the test represented the 8-year-old level of intelligence. From Binet's work, the phrase "intelligence quotient," or "IQ," entered ...

French psychologist Alfred Binet (1859-1911 ... then success on the test represented the 8-year-old level of intelligence. From Binet's work, the phrase "intelligence quotient," or "IQ," entered ...