![]() ![]() ![]() Psychopathy in a forensic sample: The factor structure of the PCL:SV in a Danish forensic sample. A multidimensional scaling analysis of the Hare PCL-R: Unfolding the structure of psychopathy. Does the three-factor model of psychopathy identify a problematic subgroup of young offenders? International Journal of Law and Psychiatry, 31, 189–198.īishopp, D., & Hare, R. *Andershed, H., Köhler, D., Eno Louden, J., & Hinrichs, G. Diagnostic and statistical manual of mental disorders (5th ed.). IEEE Transactions on Automatic Control, 74, 716–723.Īmerican Psychiatric Association. A new look at the statistical model identification. *References with an Asterisk Were Included in the Systematic ReviewĪkaike, H. The choice of which PCL:SV factor structure to adopt for clinical purposes remains dependent on the clinician’s theoretical perspectives of the psychopathy construct. Findings associated with the PCL:SV latent factor structure were less clear for the studies sampling forensic, nonpsychiatric populations. Consistent with research on other PCL measures, the results supported the use of three- and four-factor models of PCL:SV psychopathy in community and psychiatric populations, with more tentative support for the original two-factor structure. Using a PRISMA protocol, 2893 articles were screened, with 19 included for analysis. The aim of this systematic review was to synthesize research examining the PCL:SV to determine the most appropriate factor structure, independent of other PCL measures. Accordingly, it is essential to assess the psychometric properties of the PCL:SV. PCL-R abbrev.The Psychopathy Checklist: Screening Version (PCL:SV) is often utilized in both community and forensic psychiatric settings for formulation, treatment assessments and risk assessment. Also called the Hare Psychopathy Checklist. Hare found that 28 per cent of male prison inmates in the US scored at or above this cut-off score, and research in the UK has found a similar proportion. According to this criterion, a person with true psychopathy has both an emotional disorder and a propensity to manifest antisocial behaviour. The range of possible scores is 0–40, and the conventional cut-off score for diagnosing psychopathy is 30. Factor analysis of scores from the Psychopathy Checklist and the Psychopathy Checklist-Revised has consistently identified two correlated but distinct factors, the first associated with affective and interpersonal attributes, such as superficial charm, selfishness, callousness, manipulativeness, pathological lying, lack of empathy, and shallow affect, and the second associated with socially deviant behaviour and lifestyle, including proneness to boredom, parasitic lifestyle, impulsivity, early behavioural problems, irresponsibility, and delinquent behaviour. Each item is scored from 0 (not applicable) to 2 (highly applicable) on the basis of a semi-structured interview and collateral file review. It comprises 20 items associated with behavioural, affective, and interpersonal attributes of psychopathy, taken from the classic description of the syndrome in The Mask of Sanity: An Attempt to Reinterpret the So-called Psychopathic Personality (1941) by the US neuropsychiatrist Hervey (Milton) Cleckley (1903–1984). An instrument for measuring psychopathy, developed by the Canadian criminologist Robert D(ouglas) Hare (born 1934) and published commercially in 1991, based on an earlier Psychopathy Checklist (PCL) that he published in the journal Personality and Individual Differences in 1980. ![]()
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