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).
intelligence quotient. A ratio that compares a person's cognitive skills with that of the general population, usually calculated as the mental age divided by the chronologic age, multipled by 100.