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Short communication: a hierarchy of items within Eysenck’s EPI

Watson, R., Roberts (nee Shipley), B., Gow, A. and Deary, I. (2008) Short communication: a hierarchy of items within Eysenck’s EPI. Personality and Individual Differences, 45 (4). pp. 333-335. ISSN 0191-8869

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Abstract

Based on the recent finding of a hierarchical scale for Neuroticism in the NEO-Five Factor Inventory, two further personality inventories: the Eysenck Personality Inventory and Goldberg’s International Personality Item Pool were analysed using the Mokken Scaling Procedure for hierarchical scales. Items from two dimensions of the Eysenck Personality Inventory: Neuroticism and Extraversion produced hierarchical scales of 12 and five items, respectively. The Neuroticism items ran from items expressing mild to more extreme worry and the Extraversion items ran from mild sociability to more extreme ‘showing off’. The utility of hierarchical scales in personality measurement is discussed in terms of furthering theoretical understanding of personality and also practical application. In addition, the reasons why only one of these scales should produce hierarchical sets of items is discussed.

Item Type: Article
Copyright, Publisher and Additional Information: © 2008 Elsevier. This is an author produced version of a paper subsequently published in Personality and Individual Differences. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: personality, Eysenck Personality Inventory, IPIP Big Five factor markers, Mokken scaling, latent traits, psychometrics, item-response theory
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > School of Nursing and Midwifery (Sheffield)
Depositing User: Ms Suzannah Rockett
Date Deposited: 27 Aug 2008 17:58
Last Modified: 08 Feb 2013 16:56
Published Version: http://dx.doi.org/10.1016/j.paid.2008.04.022
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.paid.2008.04.022
URI: http://eprints.whiterose.ac.uk/id/eprint/4459

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