Detection of malingering in competency to stand trial evaluations |
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Authors: | Dr. Shayna Gothard Donald J. Viglione Jr. J. Reid Meloy Mark Sherman |
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Affiliation: | 1. California School of Professional Psychology, San Diego 3. Department of Psychiatry, University of California, San Diego
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Abstract: | A simulation design with multiple contrast groups was used to test the effectiveness of two instruments, the Structured Interview of Reported Symptoms (SIRS) and the Georgia Court Competency Test—Mississippi State Hospital (GCCT-MSH) in detecting malingering of competency to stand trial. Thirty simulators were compared with 23 incompetent defendants, 25 competent defendants, 30 offender controls, and 7 suspected malingerers on both instruments. Results revealed that the simulators and suspected malingerers scored significantly higher on all of the SIRS primary scales and significantly lower on the GCCT-MSH than the three comparison groups. The SIRS had an overall hit rate of 97.8% using three or more primary scales as the criterion for malingering. Information concerning the simulator's strategies of deception is presented. |
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