Document Detail


Investigation of the criminal and conditional release profiles of Canadian federal offenders as a function of psychopathy and age.
MedLine Citation:
PMID:  11771639     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Using the Psychopathy Checklist-Revised (PCL-R; R. D. Hare, 1991) diagnostic cut-off score of 30, the complete criminal career and community release profiles of 317 Canadian federal offenders (224 low scorers and 93 scoring within the psychopathic range) were investigated. Adult crimes were coded according to age at commission as well as either violent, nonviolent, or nonsexually violent. Changes in performance following release into the community also were examined. Results indicated that offenders scoring within the psychopathic range consistently committed more violent and nonviolent crimes than their counterparts for about three decades, spanning their late adolescence to their late 40s. Numbers of nonviolent criminal offenses committed by high PCL-R scorers declined considerably after age 30 relative to violent offenses, which declined and then rebounded in the late 30s before a major reduction was evidenced. Throughout adulthood, high PCL-R scorers failed during community release significantly faster than did low scorers. Importantly, from a risk management perspective, the release performance of low PCL-R scorers improved with age, whereas the opposite was seen for high scorers. Further, offenders scoring high on the PCL-R did not show a lower charge to conviction ratio with age, suggesting that they may not have been getting better at manipulating the legal system.
Authors:
S Porter; A R Birt; D P Boer
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Law and human behavior     Volume:  25     ISSN:  0147-7307     ISO Abbreviation:  Law Hum Behav     Publication Date:  2001 Dec 
Date Detail:
Created Date:  2001-12-28     Completed Date:  2002-06-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7801255     Medline TA:  Law Hum Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  647-61     Citation Subset:  IM    
Affiliation:
Department of Psychology, Dalhousie University, Halifax, Nova Scotia, Canada. sbporter@is.dal.ca
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Aged
Aged, 80 and over
Antisocial Personality Disorder / psychology*
Canada
Crime / psychology*
Forensic Psychiatry / methods*
Humans
Male
Middle Aged
Multivariate Analysis
Prisoners / psychology*
Risk Assessment / methods*
Statistics, Nonparametric
Violence

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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