a group of intelligence tests, including the Wechsler Adult Intelligence Scale (WAIS) later revised (WAIS-R) the Wechsler Intelligence Scale for Children (WISC) later revised (WISC-R) the Wechsler Preschool and Primary Scale of Intelligence (WPPSI) and the Wechsler-Bellevue Scale, no longer used, all of which emphasize performance and verbal skills and give separate scores for subtests in vocabulary, arithmetic, memory span, assembly of objects, and other abilities.
Origin
named after David Wechsler (1896-1981), Romanian-born U.S. psychologist, who developed them