Skip to main content
Article
Detection of Malingered Psychosis with the MMPI-2
Psychotherapy in Private Practice
  • Robert Pensa
  • William I. Dorfman
  • Steven N. Gold
  • Barry Schneider, Nova Southeastern University
Document Type
Article
Publication Date
1-1-1996
Disciplines
Peer Reviewed
1
Abstract
This study investigated the utility of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) in the detection of malingered psychosis. Twenty males diagnosed from a county psychiatric hospital were matched for age and education with twenty male volunteers. Every subject was administered the full 567-itcm MMPI-2. In addition, the malingering subject received training materials on psychosis along with instructions and monetary incentives to malinger. Significant group differences were found on a newly created F-Fb Index, which yielded a hit-rate of 70%. Additional t-tests also Revealed significant group differences on scales Infrequency (F) and Bizarre Mentation (BIZ) along with Subtle-Obvious Difference Score and the F-Fb index, yielding hit-rates in the 80-90% range. Scale Back-Page Infrequency (Fb) did not yield significant group differences, but this may have been a result of a stringent alpha level. Finally, a discriminant function with scales F, Fb, F-K, BIZ, and S-0 yielded a hit-rate of 92.5%. The results suggest that the MMPI-2 is an effective instrument at identifying malingered psychosis.
DOI
10.1300/J294v14n04_04
Citation Information
Robert Pensa, William I. Dorfman, Steven N. Gold and Barry Schneider. "Detection of Malingered Psychosis with the MMPI-2" Psychotherapy in Private Practice Vol. 14 Iss. 4 (1996) p. 47 - 63 ISSN: 0731-7158
Available at: http://works.bepress.com/barry-schneider/17/