The Wechsler Intelligence Scale, abbreviated as the Wechsler Scale, is a comprehensive intelligence assessment tool developed by the American psychologist David Wechsler. It comprises three distinct scales tailored to different age groups: the Wechsler Adult Intelligence Scale (WAIS) for adults, the Wechsler Intelligence Scale for Children (WISC), and the Wechsler Preschool and Primary Scale of Intelligence (WPPSI). The genesis of the Wechsler Intelligence Scale was the Wechsler-Bellevue Intelligence Scale, formulated for adults and first published in 1939. Wechsler’s motivation for creating these scales stemmed from a critical view of existing intelligence tests, which he felt were overly focused on speed and designed mainly for children. He also challenged the traditional methodology of calculating the intelligence quotient (IQ) and believed that relying on a single IQ test result was insufficient for comprehensive diagnostic purposes.
In 1949, Wechsler introduced the scale...
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Further Reading
Aiken LR (1994) Psychological testing and assessment, 8th edn. Allyn and Bacon, Boston
Dai H-Q (2015) Psychometrics, 2nd edn. Higher Education Press, Bei**g
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**, F. (2024). Wechsler Intelligence Scale. In: The ECPH Encyclopedia of Psychology. Springer, Singapore. https://doi.org/10.1007/978-981-99-6000-2_536-1
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DOI: https://doi.org/10.1007/978-981-99-6000-2_536-1
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