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KMID : 0605720120180020216
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Journal of the Korean Society of Biological Therapies in Psychiatry
2012 Volume.18 No. 2 p.216 ~ p.222
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Assessment of Psychopathic Personality in Korean Criminal Offenders with Schizophrenia
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Kwon Jee-Hyun
Lee Mi-Ji
Lee Jae-Woo
Wang Seong-Keun
Chee Ik-Seung
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Abstract
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Objectives: This study was conducted to evaluate the psychopathic personality in the criminal offenders with schizophrenia in Korea by using the Psychopathic Personality Inventory-Revised(PPI-R).
Methods: The sample consisted of 214 criminal offenders with schizophrenia who were incarcerated in institute of Forensic Psychiatry, Ministry of Justice. The PPI-R was used to assess the psychopathy, which is a 154-item self-report measure. Comparison between psychopathic group and non-psychopathic group was carried out by content scales, validity scales, and 2-factor scales of PPI-R scores.
Results: Thirty one of 214 participants(14.5%) were classified as psychopaths. And there were no significant differences in the age, the age of onset, and the education year between psychopathic group and non-psychopathic group. In the age of crime, psychopathic group committed the crime older than non-psychopathic group. In PPI-R total score, psychopathic group got higher scores. Except stress immunity scale, psychopathic group got higher scores in PPI-R content scales than non-psychopathic group. Psychopathic group showed higher scores in Deviant Responding than non-psychopathic group. In 2-factor scales, psychopathic group got higher scores in both self-centered impulsivity and fearless dominance scales than non-psychopathic group.
Conclusion: In this study, we investigated the prevalence of psychopathic personality and characteristics of psychopathic group in criminal offenders with schizophrenia. We hope the PPI-R could be used in criminal offenders with schizophrenia as a tool for assessing the psychopathic personality. Future research should include the studies of criminal and clinical characteristics of large and various samples, using the Psychopathy Check List- Revised to ascertain the prevalence of psychopathic personality.
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KEYWORD
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Psychopathic personality, Schizophrenia, Criminal offender, Assessment
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