Who was originally responsible for developing IQ tests for all ages with both verbal and performance items and with subtest scores?
A) Alfred Binet
B) Lewis Terman
C) David Wechsler
D) Jean Piaget

Question

Quizplus · Accepted Answer

David Wechsler was responsible for developing IQ tests for all ages with both verbal and performance items and with subtest scores. Alfred Binet created the first intelligence test, but it only included verbal items and was intended for children. Lewis Terman revised Binet's test and created the Stanford-Binet Intelligence Scale, but it also only included verbal items. Jean Piaget was a developmental psychologist who studied cognitive development, but did not develop IQ tests.

Who Was Originally Responsible for Developing IQ Tests for All