Citation

Hilsabeck RC, Thompson MD, Irby JW, Adams RL, Scott JG, Gouvier WD. Arch. Clin. Neuropsychol. 2003; 18(1): 71-79.

Affiliation

University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA. robin.hilsabec@ttmc.ttuhsc.edu

Copyright

(Copyright © 2003, Elsevier Publishing)

DOI

unavailable

PMID

14591479

Abstract

The Wechsler Memory Scale-Revised (WMS-R) malingering indices proposed by Mittenberg, Azrin, Millsaps, and Heilbronner [Psychol Assess 5 (1993) 34.] were partially cross-validated in a sample of 200 nonlitigants. Nine diagnostic categories were examined, including participants with traumatic brain injury (TBI), brain tumor, stroke/vascular, senile dementia of the Alzheimer's type (SDAT), epilepsy, depression/anxiety, medical problems, and no diagnosis. Results showed that the discriminant function using WMS-R subtests misclassified only 6.5% of the sample as malingering, with significantly higher misclassification rates of SDAT and stroke/vascular groups. The General Memory Index-Attention/Concentration Index (GMI-ACI) difference score misclassified only 8.5% of the sample as malingering when a difference score of greater than 25 points was used as the cutoff criterion. No diagnostic group was significantly more likely to be misclassified. Results support the utility of the GMI-ACI difference score, as well as the WMS-R subtest discriminant function score, in detecting malingering.

Language: en