Wechsler, David
(weks'lĕr 
)
Romanian-born U.S. psychologist, 1896–1981.
ABBR: WAIS.
A commonly used intelligence test to evaluate cognitive function in people over 16. It consists of seven verbal and seven nonverbal (performance) subsections. It assesses vocabulary, verbal comprehension, verbal reasoning, short-term memory, arithmetic skills, problem solving, visual perception, logic, and visual-motor coordination.W. Intelligence Scale for Children
ABBR: WISC.
A widely used intelligence test for children between 5 and 16. The test is often used by professional testers or licensed psychologists to diagnose learning disorders. It consists of two scales: one assesses language skills, the other visual and motor skills.