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Archives of Clinical Neuropsychology Advance Access originally published online on September 28, 2009
Archives of Clinical Neuropsychology 2009 24(7):671-680; doi:10.1093/arclin/acp073
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© The Author 2009. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.

Examination of the MMPI-2 Restructured Form (MMPI-2-RF) Validity Scales in Civil Forensic Settings: Findings from Simulation and Known Group Samples

Dustin B. Wyganta,*, Yossef S. Ben-Porathb, Paul A. Arbisic, David T.R. Berryd, David B. Freemane and Robert L. Heilbronnerf

a Department of Psychology, Eastern Kentucky University, Richmond, KY, USA
b Department of Psychology, Kent State University, Kent, OH, USA
c Department of Psychology, Minneapolis VA Medical Center, University of Minnesota, Minneapolis, MN, USA
d Department of Psychology, University of Kentucky, Lexington, KY, USA
e Cal Psych FMT, Los Angeles, CA, USA
f Chicago Neuropsychology Group, Chicago, IL, USA

* Corresponding author at: Department of Psychology, Eastern Kentucky University, 127 Cammack Building, 521 Lancaster Ave., Richmond, KY 40475-31002, USA. Tel.: +1-859-622-1105; fax: +1-859-622-5871. E-mail address: dustin.wygant{at}eku.edu (D.B. Wygant).


  Abstract

The current study examined the effectiveness of the MMPI-2 Restructured Form (MMPI-2-RF; Ben-Porath and Tellegen, 2008) over-reporting indicators in civil forensic settings. The MMPI-2-RF includes three revised MMPI-2 over-reporting validity scales and a new scale to detect over-reported somatic complaints. Participants dissimulated medical and neuropsychological complaints in two simulation samples, and a known-groups sample used symptom validity tests as a response bias criterion. Results indicated large effect sizes for the MMPI-2-RF validity scales, including a Cohen's d of .90 for Fs in a head injury simulation sample, 2.31 for FBS-r, 2.01 for F-r, and 1.97 for Fs in a medical simulation sample, and 1.45 for FBS-r and 1.30 for F-r in identifying poor effort on SVTs. Classification results indicated good sensitivity and specificity for the scales across the samples. This study indicates that the MMPI-2-RF over-reporting validity scales are effective at detecting symptom over-reporting in civil forensic settings.

Keywords MMPI-2-RF; MMPI-2 Restructured Form; Malingering; Forensic evaluation; Medico-legal

Accepted: September 1, 2009


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