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The relationship between psychopathy and impulsivity: A multi-impulsivity measurement approach

Morgan, Joanne E., Gray, Nicola Susan and Snowden, Robert Jefferson 2011. The relationship between psychopathy and impulsivity: A multi-impulsivity measurement approach. Personality and Individual Differences 51 (4) , pp. 429-434. 10.1016/j.paid.2011.03.043

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Psychopathy is a serious personality disorder of which impulsivity is a key component. However, impulsivity is a multidimensional construct, with multiple approaches to measurement, and different measures may be differentially implicated in psychopathy. This study investigated the relationship between psychopathy as assessed by the Psychopathic Personality Inventory-Revised (PPI-R; Lilienfeld & Widows, 2005), a personality measure of impulsivity (Barratt Impulsiveness Scale-11), and four behavioural measures of impulsivity (GoStop Impulsivity Paradigm, Two Choice Impulsivity Paradigm, Delay Discounting Task, Iowa Gambling Task). A nonclinical sample (N = 80) was recruited from the local community to advance understanding of psychopathy in non-incarcerated samples. The results indicated that the personality measure of impulsivity was strongly correlated with the PPI-R, while the behavioural measures were either not correlated or only weakly correlated with the PPI-R. The results are discussed in terms of the multifaceted nature of impulsivity and the need for the further development of behavioural measures of impulsivity, given their importance in clinical assessment and intervention.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
H Social Sciences > HV Social pathology. Social and public welfare
Uncontrolled Keywords: Psychopathy; Impulsivity; PPI-R; Behavioural measures; Personality measures
Publisher: Elsevier
ISSN: 0191-8869
Last Modified: 05 Jun 2017 03:23

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