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Journal of Clinical and Experimental Neuropsychology Volume 33, 2011 - Issue 3
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Original Articles

Use of the Wechsler Adult Intelligence Scale Digit Span subtest for malingering detection: A meta-analytic review

Lindsey J. Jasinski University of Kentucky, Lexington, KY, USA
,
David T. R. Berry University of Kentucky, Lexington, KY, USACorrespondence[email protected]
,
Anni L. Shandera University of Kentucky, Lexington, KY, USA
&
Jessica A. Clark University of Kentucky, Lexington, KY, USA
Pages 300-314 | Received 11 May 2010, Accepted 28 Jul 2010, Published online: 03 Mar 2011
 
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Abstract

Twenty-four studies utilizing the Wechsler Adult Intelligence Scale (WAIS) Digit Span subtest—either the Reliable Digit Span (RDS) or Age-Corrected Scaled Score (DS-ACSS) variant—for malingering detection were meta-analytically reviewed to evaluate their effectiveness in detecting malingered neurocognitive dysfunction. RDS and DS-ACSS effectively discriminated between honest responders and dissimulators, with average weighted effect sizes of 1.34 and 1.08, respectively. No significant differences were found between RDS and DS-ACSS. Similarly, no differences were found between the Digit Span subtest from the WAIS or Wechsler Memory Scale (WMS). Strong specificity and moderate sensitivity were observed, and optimal cutting scores are recommended.

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