The WAIS was founded to get to know Wechsler's patients at Bellevue Hospital and on his definition of intelligence, which he defined as '. It is currently in its fourth edition ( WAIS-IV) released in 2008 by Pearson, and is the most widely used IQ test, for both adults and older adolescents, in the world. and Chief Psychologist at Bellevue Hospital (1932-1967) in NYC as a revision of the Wechsler–Bellevue Intelligence Scale, released in 1939. The original WAIS (Form I) was published in February 1955 by David Wechsler, Ph.D. The Wechsler Adult Intelligence Scale ( WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents.
IQ Test designed to measure intelligence in adults