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12: Wechsler and Deviation IQ

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Wechsler and Deviation IQ

    • The Wechsler subscale and deviation IQ scores are used on the most popular IQ tests in the U.S. (WAIS and WISC)
    • The Wechsler Subscales have a mean of 10 and a standard deviation of 3

Subscale = 3z + 10</p align = “center”>

  • The Deviation IQ has a mean of 100 and a standard deviation of 15

 

Deviation IQ = 15z + 100</p align = “center”>