What Are the Wechsler Adult Intelligence Scales?

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wiseGEEK: What Are the Wechsler Adult Intelligence Scales?

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The Wechsler Adult Intelligence Scales (WAIS) are a set of tests that measure the adult intelligence quotient (IQ). First developed under a clinical setting by psychologist David Weschler, the Wechsler Adult Intelligence Scales focus on an individual’s capacity to rationally and effectively approach a problem. Weschler first devised the test as a replacement to the Wechsler-Bellevue Intelligence Scale. Well-known for creating innovative intelligence scales, David Weschler originally crafted the Wechsler-Bellevue Intelligence Scale (WPPSI) in 1939. The later updates, the Wechsler Adult Intelligence Scales and the Wechsler Intelligence Scale for Children, are based on the early version of the test. Weschler’s initial reasons for developing a new intelligence scale stemmed from a desire to evaluate his Bellvue patients and his dissatisfaction with the Stanford-Binet IQ test, which focused more on narrow, specific skills. In conceiving the WPPSI and the WAIS, Weschler introduced…

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