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Feigning combat-related posttraumatic stress disorder on the personality assessment inventory.
J Pers Assess. 2000 Oct; 75(2):338-50.JP

Abstract

This study examined whether individuals who were instructed on the Diagnostic and Statistical Manual of Mental Disorders (4th ed. [DSM-IV]; American Psychiatric Association, 1994) criteria for posttraumatic stress disorder (PTSD) could feign PTSD on the Personality Assessment Inventory (PAI; Morey, 1991). The study also investigated whether PAI indexes of symptom exaggeration, the Negative Impression Management (NIM) scale and the Malingering index, could identify individuals feigning PTSD. The diagnostic rule for PTSD (Morey, 1991, 1996) was applied to the profiles of a group of 23 veterans with combat-related PTSD and 23 male undergraduates instructed to malinger PTSD. Seventy percent of the student malingerers produced profiles that received diagnostic consideration for PTSD. The NIM cutting score (> or = 8) was highly effective in detecting simulation of PTSD but resulted in the misclassification of a large number of true PTSD cases. There were no significant differences in the overall efficiency of the test with various validity criteria. We discuss the implications of these findings for the use of the PAI in the diagnosis of combat-related PTSD.

Authors+Show Affiliations

Calhoun PS
Department of Psychology, Vanderbilt University, USA. calho002@mc.duke.edu
Earnst KS
No affiliation info available
Tucker DD
No affiliation info available
Kirby AC
No affiliation info available
Beckham JC
No affiliation info available

MeSH

AdultFemaleHumansMaleMiddle AgedPersonality DisordersPersonality InventoryStress Disorders, Post-TraumaticWarfare

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

11020148

Citation

Calhoun, P S., et al. "Feigning Combat-related Posttraumatic Stress Disorder On the Personality Assessment Inventory." Journal of Personality Assessment, vol. 75, no. 2, 2000, pp. 338-50.
Calhoun PS, Earnst KS, Tucker DD, et al. Feigning combat-related posttraumatic stress disorder on the personality assessment inventory. J Pers Assess. 2000;75(2):338-50.
Calhoun, P. S., Earnst, K. S., Tucker, D. D., Kirby, A. C., & Beckham, J. C. (2000). Feigning combat-related posttraumatic stress disorder on the personality assessment inventory. Journal of Personality Assessment, 75(2), 338-50.
Calhoun PS, et al. Feigning Combat-related Posttraumatic Stress Disorder On the Personality Assessment Inventory. J Pers Assess. 2000;75(2):338-50. PubMed PMID: 11020148.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Feigning combat-related posttraumatic stress disorder on the personality assessment inventory. AU - Calhoun,P S, AU - Earnst,K S, AU - Tucker,D D, AU - Kirby,A C, AU - Beckham,J C, PY - 2000/10/6/pubmed PY - 2001/2/28/medline PY - 2000/10/6/entrez SP - 338 EP - 50 JF - Journal of personality assessment JO - J Pers Assess VL - 75 IS - 2 N2 - This study examined whether individuals who were instructed on the Diagnostic and Statistical Manual of Mental Disorders (4th ed. [DSM-IV]; American Psychiatric Association, 1994) criteria for posttraumatic stress disorder (PTSD) could feign PTSD on the Personality Assessment Inventory (PAI; Morey, 1991). The study also investigated whether PAI indexes of symptom exaggeration, the Negative Impression Management (NIM) scale and the Malingering index, could identify individuals feigning PTSD. The diagnostic rule for PTSD (Morey, 1991, 1996) was applied to the profiles of a group of 23 veterans with combat-related PTSD and 23 male undergraduates instructed to malinger PTSD. Seventy percent of the student malingerers produced profiles that received diagnostic consideration for PTSD. The NIM cutting score (> or = 8) was highly effective in detecting simulation of PTSD but resulted in the misclassification of a large number of true PTSD cases. There were no significant differences in the overall efficiency of the test with various validity criteria. We discuss the implications of these findings for the use of the PAI in the diagnosis of combat-related PTSD. SN - 0022-3891 UR - https://www.unboundmedicine.com/medline/citation/11020148/Feigning_combat_related_posttraumatic_stress_disorder_on_the_personality_assessment_inventory_ DB - PRIME DP - Unbound Medicine ER -