12: Wechsler and Deviation IQ
Wechsler and Deviation IQ
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- 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”>