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Cross-Validation of Multiple WAIS-IV Digit Span Embedded Performance Validity Indices among a Large Sample of Adult Attention Deficit/Hyperactivity Disorder Clinical Referrals
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Bing-Canar, Hanaan; Phillips, Matthew S.; Shields, Allison N.; Ogram Buckley, Caitlin M.; Chang, Fini; Khan, Humza; Skymba, Haley V.; Ovsiew, Gabriel P.; Resch, Zachary J.; Jennette, Kyle J.; Soble, Jason R. – Journal of Psychoeducational Assessment, 2022
This study investigated the utility of four WAIS-IV Digit Span (DS) indices (traditional Reliable Digit Span [RDS], RDS-Working Memory [RDS-WM], RDS-Revised [RDS-R], and DS Age-Corrected Scaled Score [ACSS]) as embedded performance validity tests (PVTs) among a sample of 342 consecutive adults referred for neuropsychological evaluation of ADHD.…
Descriptors: Test Validity, Adults, Intelligence Tests, Attention Deficit Hyperactivity Disorder
Implications for Educational Classification and Psychological Diagnoses Using the Wechsler Adult Intelligence Scale-Fourth Edition with Canadian versus American Norms
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Harrison, Allyson G.; Holmes, Alana; Silvestri, Robert; Armstrong, Irene T. – Journal of Psychoeducational Assessment, 2015
Building on a recent work of Harrison, Armstrong, Harrison, Iverson and Lange which suggested that Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) scores might systematically overestimate the severity of intellectual impairments if Canadian norms are used, the present study examined differences between Canadian and American derived…
Descriptors: Intelligence Tests, Test Norms, Differences, Scores