A bifactorial solution to the Psychopathy Checklist

Screening Version in a sample of civil psychiatric patients

Daniel Boduszek, Katie Dhingra, Philip Hyland, Agata Debowska

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Background: There is considerable debate about the underlying factor structure of the Psychopathy Checklist: Screening Version (PCL: SV). An established view is that it reflects a unitary construct underpinned by two correlated factors. More recent research has, however, undermined this conceptualisation. Aims: Our aim was to compare 10 competing models of the PCL: SV in a sample of civil psychiatric patients. Method: Ten distinct factor models were specified and tested using conventional confirmatory factor analytic techniques, along with confirmatory bifactor modelling. Results: A bifactor model, including two general factors (interpersonal–affective and antisocial–lifestyle), and four subordinate factors (interpersonal, affective, antisocial and lifestyle) provided the best fit to the data. The reliability of the conceptualisation was supported through the use of composite reliability, and the differential relationships exhibited between the general factors and measures of personality, impulsivity and mental health. Conclusions: Our findings provide further weight to taking the two general psychopathy factors into account when interpreting the PCL: SV for clinical purposes.

Original languageEnglish
Pages (from-to)174-185
Number of pages12
JournalCriminal Behaviour and Mental Health
Volume26
Issue number3
Early online date31 Mar 2015
DOIs
Publication statusPublished - 5 Jul 2016

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A bifactorial solution to the Psychopathy Checklist : Screening Version in a sample of civil psychiatric patients. / Boduszek, Daniel; Dhingra, Katie; Hyland, Philip; Debowska, Agata.

In: Criminal Behaviour and Mental Health, Vol. 26, No. 3, 05.07.2016, p. 174-185.

Research output: Contribution to journalArticle

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