Profile Analysis on the WISC-IV and WAIS-III in the low intellectual range: Is it valid and reliable?

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Whitaker, Simon ; Shirley, Gordon (2010)
  • Publisher: The British Psychological Society
  • Subject: BF
    mesheuropmc: behavioral disciplines and activities

This paper examines how far it is valid to generate a profile of an individual’s cognitive abilities using the WISC-IV or WAIS-III for individuals in the low ability range. Data are presented which demonstrate that the WISC-IV and WAIS-III assessments produce different cognitive profiles, when given to the same 16-year-olds who receive special education. It is suggested that at the low IQ level, subtest and index scores may lack sufficient stability for the WISC-IV or WAIS-III to produce reliable cognitive profiles.
  • References (6)

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    Whitaker, S. & Wood, C. (2008). The distribution of scale score and possible floor effects on the WISC-III and WAIS-III. Journal of Applied Research in Intellectual Disabilities. 21, 136-141.

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