Major Movements in Psychology

Intelligence Testing

What is the Wechsler Adult Intelligence (WAIS) IQ test?

The Wechsler Adult Intelligence Test is the most widely-used intelligence test. The first WAIS was published in 1958. The WAIS-IV, published in 2008, produces a Full Scale IQ based on scores from ten core subtests. These core subtests include Vocabulary, Similarities, Information, Arithmetic, Digit Span, Block Design, Matrix Reasoning, Visual Puzzles, Digit Symbol, and Symbol Search. Five supplemental tests include Comprehension, Letter-Number Sequencing, Picture Completion, Figure Weights, and Cancellation.


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