The Utility of the MMPI-2 Criminal Offender Infrequency (Fc) Scale in the Detection of Malingering in Criminal Defendants

Recognizing that nonmalingering criminal subjects often elevate both the Infrequency (F) and Infrequency Psychopathology (Fp) scales of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), Megargee (2004) developed the Criminal Offender Infrequency (Fc) scale, which includes items infrequentl...

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Bibliographic Details
Published in:International journal of forensic mental health 2009-07, Vol.8 (1), p.16-24
Main Authors: Barber-Rioja, Virginia, Zottoli, Tina M., Kucharski, L. Thomas, Duncan, Scott
Format: Article
Language:English
Subjects:
Assessment of malingering
criminal defendants
Fc (Criminal Offender Infrequency) scale
malingering
MMPI-2
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Summary:Recognizing that nonmalingering criminal subjects often elevate both the Infrequency (F) and Infrequency Psychopathology (Fp) scales of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), Megargee (2004) developed the Criminal Offender Infrequency (Fc) scale, which includes items infrequently endorsed by criminal offenders. This study compared MMPI-2 F, F(p), Fb and Fc elevations of criminal defendants who classified as malingering or not malingering using the Structured Interview of Reported Symptoms (SIRS). Results of Logistic Regression Analyses suggested that the Fc scale performed better than F(p) and Fb, and at least as good as F in the detection of malingering in this forensic sample. Sensitivity, Specificity, Positive and Negative Predictive Validity Values for F, Fp and Fc are provided.
ISSN:1499-9013
1932-9903
DOI:10.1080/14999010903014689