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 and Henri Simon (1904). conducted the 1st intelligence test based on diverse content such as object naming, word meanings, drawing pictures from memory, completing incomplete sentences, and constructing sentences from three words.