Wechsler Scales

noun Psychology.

1. 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.