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Comparison of MMPI-2 and PAI validity indicators to detect feigned depression and PTSD symptom reporting

Lange, Rael T., Sullivan, Karen A., & Scott, Clinton J. (2010) Comparison of MMPI-2 and PAI validity indicators to detect feigned depression and PTSD symptom reporting. Psychiatry Research, 176(2-3), pp. 229-235.

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Abstract

The purpose of this study was to compare the clinical utility of PAI and MMPI-2 validity indicators to detect exaggeration of psychological symptoms. Participants were 49 (75.5% female) Australian university students who completed the MMPI-2 and PAI under one of three conditions: Control [i.e., honest responding (n = 20)], Feign Post Traumatic Stress Disorder [PTSD (n = 15)], or Feign Depression (n = 14). Participants instructed to feign depression or feign PTSD had significantly higher scores on the majority of MMPI-2 and PAI validity indicators compared to controls. The Meyers Validity Index, the Obvious-Subtle index, and the Response Bias Scale were the most accurate MMPI-2 validity indicators. Diagnostic-specific MMPI-2 validity indicators, such as the Infrequency-PSTD scales and Malingered Depression scale, were not effective at detecting participants instructed to feign those conditions. For the PAI, the most accurate validity indicator was the MAL index; however, detection rates using this validity indicator was modest at best. The MMPI-2 validity indicators were clearly superior to those on the PAI at identifying feigned versus honest responding in this sample.

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9 citations in Web of Science®

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ID Code: 18484
Item Type: Journal Article
Keywords: MMPI-2, PAI, Symptom Exaggeration, PTSD, Depression, Malingering
DOI: 10.1016/j.psychres.2009.03.004
ISSN: 0165-1781
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Biological Psychology (Neuropsychology Psychopharmacology Physiological Psychology) (170101)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > COGNITIVE SCIENCE (170200)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2010 Elsevier
Deposited On: 05 Mar 2009 11:41
Last Modified: 29 Feb 2012 23:59

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