WordReference Random House Unabridged Dictionary of American English © 2020
Wechsler Scales  (wekslər),USA pronunciation [Psychol.]
  1. Psychologya 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.
  • named after David Wechsler (1896–1981), Rumanian-born U.south, southern. psychologist, who developed them

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