Investigating the multivariate relationship between impulsivity and psychopathy using canonical correlation analysis

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dc.check.date2019-02-14
dc.check.infoAccess to this article is restricted until 24 months after publication by request of the publisher.en
dc.contributor.authorFox, Siobhán
dc.contributor.authorHammond, Sean
dc.date.accessioned2018-02-13T13:09:43Z
dc.date.available2018-02-13T13:09:43Z
dc.date.issued2017-02-14
dc.date.updated2018-02-12T09:47:06Z
dc.description.abstractBackground: Impulsivity is generally considered a core feature of psychopathy, however one problem with understanding the association between these constructs is that both are multifaceted. Existing research often treats one or both of these constructs as unidimensional with important information regarding the complex nature of the relationship being lost. To clarify this issue the present study employs a canonical correlation analysis (CCA) which allows for the comparison of two multifaceted measurement scales simultaneously. Methods: Respondents (n = 970) completed the Barratt Impulsiveness Scale (BIS-11) and the Psychopathic Personality Inventory (PPI). CCA was performed to explore the strength and nature of the association between impulse control and psychopathy. Results: There was a large correlation (r = 0.57) between BIS-11 and PPI total scores. Further exploration using CCA showed that 70.2% of the variance was shared between the subscales, and three significant canonical functions emerged. These were found to be interpretable and suggest that impulsivity relates to the broader psychopathy domain in a complex fashion, and that non-planning impulsivity may be the primary trait which distinguishes between psychopathy subtypes. Discussion: The findings support a complex multi-dimensional relationship between impulsivity and psychopathy. The simple impulsivity-psychopathy correlation has much less explanatory power than has a multivariate approach.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationFox, S. and Hammond, S. (2017) 'Investigating the multivariate relationship between impulsivity and psychopathy using canonical correlation analysis', Personality and Individual Differences, 111, pp. 187-192. doi:10.1016/j.paid.2017.02.025en
dc.identifier.doi10.1016/j.paid.2017.02.025
dc.identifier.endpage192en
dc.identifier.issn0191-8869
dc.identifier.journaltitlePersonality and Individual Differencesen
dc.identifier.startpage187en
dc.identifier.urihttps://hdl.handle.net/10468/5455
dc.identifier.volume111en
dc.language.isoenen
dc.publisherElsevier Ltd.en
dc.rights© 2017, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectImpulsivity
dc.subjectPsychopathy
dc.subjectIndividual differences
dc.subjectSelf-control
dc.subjectSensation seeking
dc.subjectSelf-report measurement
dc.subjectCanonical correlation analysis
dc.titleInvestigating the multivariate relationship between impulsivity and psychopathy using canonical correlation analysisen
dc.typeArticle (peer-reviewed)en
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