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KMID : 0605720120180020231
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Journal of the Korean Society of Biological Therapies in Psychiatry
2012 Volume.18 No. 2 p.231 ~ p.237
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Use of the Personality Assessment Inventory to Assess Psychopathy in Korean Criminal Offenders with Schizophrenia
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Lee Mi-Ji
Hong Sung-Gon
Lee Jae-Woo
Kwon Jee-Hyun
Wang Seung-Keun
Chee Ik-Seung
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Abstract
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Objectives: This study was conducted to evaluate the validity of the Antisocial Features(ANT) scale of the Personality Assessment Inventory(PAI) with Psychopathic Personality Inventory-Revised(PPI-R) total score to assess psychopathy in Korean criminal offenders with schizophrenia.
Methods: The subjects included 177 inpatients with schizophrenia who committed crimes. All subjects filled out PPI-R and PAI. The statistics are carried out by SPSS version 17.0.
Results: The result shows that ANT scores are correlated highly with the PPI-R total score(r=0.56). Of the three subscales of ANT ; Egocentricity(ANT-E), Stimulus Seeking(ANT-S), Antisocial Behavior(ANT-A), ANT-E(r=0.53) and ANT-S(r=0.56) subscales showed strong correlations with PPI-R total score, and ANT-A (r=0.38) subscale was moderately associated with PPI-R total score. Among the 8 subscales of PPI-R, Rebellious Nonconformity(RN), Machiavellian Egocentricity(ME), Blame Externalization(BE) subscales were relatively strongly correlated with PAI scales ; ANT, ANT-E, and ANT-S. Between 2 factors of PPI-R, Self-Centered Impulsivity(SCI) factor showed relatively powerful association with ANT scale of PAI. ROC curve for ANT with PPI-R diagnoses of psychopathy tells that ANT scale dose not seem to make categorical prediction of psychopathy on PPI-R.
Conclusion: ANT scale of PAI tapped primarily behavioral symptoms of psychopathy rather than interpersonal and affective symptoms. Despite of strong correlation between PPI-R total score and ANT score of PAI, the result of ROC curve suggests that it might be better to use ANT score as dimensional measure of psychopathy rather than categorical, in Korean criminal offenders with schizophrenia.
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KEYWORD
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Psychopathic personality, Schizophrenia, Criminal offender personality assessment inventory
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