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A predictive model of criminality in civil psychiatric populations

A predictive model of criminality in civil psychiatric populations Purpose – The purpose of this paper is to develop a predictive model of criminal risk in civil psychiatric populations, by determining the relative impacts of psychopathy, drug use, impulsivity and intelligence on levels of criminality. Design/methodology/approach – The sample consisted of 871 civil psychiatric patients, selected from the MacArthur Violence Risk Assessment Study, who had been diagnosed with a mental illness or personality disorder, and hospitalised less than 21 days. Each participant was administered the Hare Psychopathy Checklist Screening Version (PCL:SV), Barratt Impulsiveness Scale (BIS-11) and the Wechsler Adult Intelligence Scale (WAIS-R). In addition, information on background demographics, drug use and criminality was obtained via a self-report questionnaire. Findings – Pearson correlations identified significant positive relationships between past arrests, psychopathy, impulsivity and drug use. Intelligence was negatively related to past arrests. Multiple regressions identified a significant main effect for Factor 2 psychopathy on past arrests when controlling for all covariates, but not for Factor 1 psychopathy, intelligence or impulsivity. Drug use and gender had small univariate effects. Research limitations/implications – It is suggested that future research investigates the influence of specific mental disorders on different types of offending. Originality/value – By investigating predictors of criminal behaviour in civil psychiatric patients, the present study makes valuable contributions to the research literature, enhancing our theoretical understanding of the relationships between psychopathy and criminality/recidivism. It also has notable implications in applied practice, for example in the development and refinement of risk assessment methods. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Criminal Psychology Emerald Publishing

A predictive model of criminality in civil psychiatric populations

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References (71)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
2009-3829
DOI
10.1108/JCP-10-2014-0015
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to develop a predictive model of criminal risk in civil psychiatric populations, by determining the relative impacts of psychopathy, drug use, impulsivity and intelligence on levels of criminality. Design/methodology/approach – The sample consisted of 871 civil psychiatric patients, selected from the MacArthur Violence Risk Assessment Study, who had been diagnosed with a mental illness or personality disorder, and hospitalised less than 21 days. Each participant was administered the Hare Psychopathy Checklist Screening Version (PCL:SV), Barratt Impulsiveness Scale (BIS-11) and the Wechsler Adult Intelligence Scale (WAIS-R). In addition, information on background demographics, drug use and criminality was obtained via a self-report questionnaire. Findings – Pearson correlations identified significant positive relationships between past arrests, psychopathy, impulsivity and drug use. Intelligence was negatively related to past arrests. Multiple regressions identified a significant main effect for Factor 2 psychopathy on past arrests when controlling for all covariates, but not for Factor 1 psychopathy, intelligence or impulsivity. Drug use and gender had small univariate effects. Research limitations/implications – It is suggested that future research investigates the influence of specific mental disorders on different types of offending. Originality/value – By investigating predictors of criminal behaviour in civil psychiatric patients, the present study makes valuable contributions to the research literature, enhancing our theoretical understanding of the relationships between psychopathy and criminality/recidivism. It also has notable implications in applied practice, for example in the development and refinement of risk assessment methods.

Journal

Journal of Criminal PsychologyEmerald Publishing

Published: Feb 2, 2015

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