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Direct linkGirard, Todd A.; Axelrod, Bradley N.; Wilkins, Leanne K. – Assessment, 2010
This investigation assessed the ability of the Wechsler Adult Intelligence Scale-Third Edition (WAIS-III) short forms to estimate both index and IQ scores in a large, mixed clinical sample (N = 809). More specifically, a commonly used modification of Ward's seven-subtest short form (SF7-A), a recently proposed index-based SF7-C and eight-subtest…
Descriptors: Intelligence Tests, Scores, Intelligence Quotient, Comparative Analysis
Peer reviewedAxelrod, Bradley N.; Paolo, Anthony M. – Psychological Assessment, 1998
Full scale IQ (FSIQ) scores, followed by verbal (VIQ) and performance (PIQ) IQ scores, demonstrated the highest comparability between WAIS-R and its seven subtest form when tested with 1,880 subjects from the standardization sample. Correlations between versions were consistently lower for PIQ than FSIQ and VIQ. Age grouping did not affect…
Descriptors: Age Differences, Concurrent Validity, Intelligence Quotient, Performance Based Assessment
