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Direct linkUmphress, Thomas B. – Intellectual and Developmental Disabilities, 2008
Twenty people with suspected intellectual disability took the Reynolds Intellectual Assessment Scales (RIAS; C. R. Reynolds & R. W. Kamphaus, 1998) and the Wechsler Adult Intelligence Scale--3rd Edition (WAIS-III; D. Wechsler, 1997) to see if the 2 IQ tests produced comparable results. A t test showed that the RIAS Composite Intelligence Index…
Descriptors: Intelligence, Mental Retardation, Test Selection, Intelligence Tests
