Current Wentzville, Missouri Population, Demographics and stats in 2016, 2017.
David Wechsler. developed an intelligence test for adults in the US (WAIS), an intelligence test for children (WISC, which has been revised and is now the WISC-IV), and an intelligence test for preschool (WPPSI).
Alfred Binet was a pioneer in the development of intelligence tests used today to determine IQ. Learn more about the development of the intelligence test and test your knowledge with quiz questions.