Article2004

Discriminating Malingered From Genuine Civilian Posttraumatic Stress Disorder

Jon D. Elhai · James A. Naifeh · Irene Shmoys Zucker · Steven N. Gold · Sarah E. Deitsch · Bartley Christopher Frueh

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Psychological Testing and Assessment Posttraumatic Stress Disorder Research Deception detection and forensic psychology

Abstract

The Infrequency-Posttraumatic Stress Disorder scale (Fptsd), recently created for the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), has demonstrated incremental validity over other MMPI-2 scales in malingered posttraumatic stress disorder (PTSD) detection. Fptsd was developed with combat-exposed PTSD patients, potentially limiting its use with PTSD patients in general. The current study evaluated the MMPI-2's F, Infrequency-Psychopathology scale (Fp), and Fptsd scales in discriminating genuine civilian PTSD among 41 adult victims of child sexual abuse from a group of 39 students instructed to simulate PTSD. Analyses demonstrated Fptsd's incremental validity over F but not over Fp. Based on the two studies examining Fptsd, Fptsd may be more appropriate for combat trauma victims, and Fp may be more appropriate for civilian trauma victims.

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References

2013Diagnostic and Statistical Manual of Mental Disorders 1995Posttraumatic Stress Disorder in the National Comorbidity Survey 1979Impact of Event Scale: A Measure of Subjective Stress 1989MMPI-2 : Minnesota Multiphasic Personality Inventory-2 : manual for administration and scoring 1987Measures for Clinical Practice: A Sourcebook 1982Impact of Event Scale: A cross-validation study and some empirical evidence supporting a conceptual model of stress response syndromes.2003Detection of Feigned Mental Disorders 1995An MMPI-2 infrequent response scale for use with psychopathological populations: The Infrequency-Psychopathology Scale, F(p).

Cited by

2006Malingering of PTSD: forensic and diagnostic considerations, characteristics of malingerers and clinical presentations 2008The Effect of Failure on Cognitive and Psychological Symptom Validity Tests in Litigants with Symptoms of Post-traumatic Stress Disorder 2006Detection and management of malingering in people presenting for treatment of posttraumatic stress disorder: Methods, obstacles, and recommendations 2008The utility and comparative incremental validity of the MMPI-2 and Trauma symptom Inventory validity scales in the detection of feigned PTSD.

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