Detection of feigned psychosis with the structured inventory of malingered symptomatology (SIMS): a study of coached and uncoached simulators

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Abstract

The aim of the present study was to investigate the efficacy of the Structured Inventory of Malingered Symptomatology (SIMS) to detect feigned psychosis in naive, informed, and coached participants. Sixty undergraduate students were administered the SIMS and a number of filler questionnaires and asked to fill out the questionnaire honestly (controls; n = 15) or instructed to malinger psychosis because they were standing trial for a serious offense. Before they completed the SIMS, instructed malingerers either received no further information (naive malingerers; n = 15), some information about psychotic symptoms (informed malingerers; n = 15), or some information about psychosis and a warning not to exaggerate symptoms (coached malingerers; n = 15). Even in the group of coached malingerers, the SIMS had acceptable sensitivity and specificity rates. These findings suggest that the SIMS may be of value in forensic assessments.
Original languageEnglish
Pages (from-to)19-22
JournalJournal of Psychopathology and Behavioral Assessment
Volume28
Issue number1
DOIs
Publication statusPublished - 1 Jan 2006

Cite this

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abstract = "The aim of the present study was to investigate the efficacy of the Structured Inventory of Malingered Symptomatology (SIMS) to detect feigned psychosis in naive, informed, and coached participants. Sixty undergraduate students were administered the SIMS and a number of filler questionnaires and asked to fill out the questionnaire honestly (controls; n = 15) or instructed to malinger psychosis because they were standing trial for a serious offense. Before they completed the SIMS, instructed malingerers either received no further information (naive malingerers; n = 15), some information about psychotic symptoms (informed malingerers; n = 15), or some information about psychosis and a warning not to exaggerate symptoms (coached malingerers; n = 15). Even in the group of coached malingerers, the SIMS had acceptable sensitivity and specificity rates. These findings suggest that the SIMS may be of value in forensic assessments.",
author = "M. Jelicic and A. Hessels and H.L.G.J. Merckelbach",
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T1 - Detection of feigned psychosis with the structured inventory of malingered symptomatology (SIMS): a study of coached and uncoached simulators

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N2 - The aim of the present study was to investigate the efficacy of the Structured Inventory of Malingered Symptomatology (SIMS) to detect feigned psychosis in naive, informed, and coached participants. Sixty undergraduate students were administered the SIMS and a number of filler questionnaires and asked to fill out the questionnaire honestly (controls; n = 15) or instructed to malinger psychosis because they were standing trial for a serious offense. Before they completed the SIMS, instructed malingerers either received no further information (naive malingerers; n = 15), some information about psychotic symptoms (informed malingerers; n = 15), or some information about psychosis and a warning not to exaggerate symptoms (coached malingerers; n = 15). Even in the group of coached malingerers, the SIMS had acceptable sensitivity and specificity rates. These findings suggest that the SIMS may be of value in forensic assessments.

AB - The aim of the present study was to investigate the efficacy of the Structured Inventory of Malingered Symptomatology (SIMS) to detect feigned psychosis in naive, informed, and coached participants. Sixty undergraduate students were administered the SIMS and a number of filler questionnaires and asked to fill out the questionnaire honestly (controls; n = 15) or instructed to malinger psychosis because they were standing trial for a serious offense. Before they completed the SIMS, instructed malingerers either received no further information (naive malingerers; n = 15), some information about psychotic symptoms (informed malingerers; n = 15), or some information about psychosis and a warning not to exaggerate symptoms (coached malingerers; n = 15). Even in the group of coached malingerers, the SIMS had acceptable sensitivity and specificity rates. These findings suggest that the SIMS may be of value in forensic assessments.

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