Comparing Job Applicants to Non-applicants Using an Item-level Bifactor Model on the HEXACO Personality Inventory

Jeromy Anglim, Gavin Morse, Reinout Everhard de Vries, Carolyn MacCann, Andrew Marty

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)
146 Downloads (Pure)

Abstract

The present study evaluated the ability of item-level bifactor models (a) to provide an alternative explanation to current theories of higher order factors of personality and (b) to explain socially desirable responding in both job applicant and non-applicant contexts. Participants (46% male; mean age = 42 years, SD = 11) completed the 200-item HEXACO Personality Inventory-Revised either as part of a job application (n = 1613) or as part of low-stakes research (n = 1613). A comprehensive set of invariance tests were performed. Applicants scored higher than non-applicants on honesty-humility (d = 0.86), extraversion (d = 0.73), agreeableness (d = 1.06), and conscientiousness (d = 0.77). The bifactor model provided improved model fit relative to a standard correlated factor model, and loadings on the evaluative factor of the bifactor model were highly correlated with other indicators of item social desirability. The bifactor model explained approximately two-thirds of the differences between applicants and non-applicants. Results suggest that rather than being a higher order construct, the general factor of personality may be caused by an item-level evaluative process. Results highlight the importance of modelling data at the item-level. Implications for conceptualizing social desirability, higher order structures in personality, test development, and job applicant faking are discussed. Copyright © 2017 European Association of Personality Psychology
Original languageEnglish
Pages (from-to)669-684
JournalEuropean journal of personality
Volume31
Issue number6
DOIs
Publication statusPublished - Dec 2017

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Social Desirability
Personality Inventory
Personality
Job Application
Personality Tests
Personality Development
Aptitude
Research
Extraversion (Psychology)

Cite this

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title = "Comparing Job Applicants to Non-applicants Using an Item-level Bifactor Model on the HEXACO Personality Inventory",
abstract = "The present study evaluated the ability of item-level bifactor models (a) to provide an alternative explanation to current theories of higher order factors of personality and (b) to explain socially desirable responding in both job applicant and non-applicant contexts. Participants (46{\%} male; mean age = 42 years, SD = 11) completed the 200-item HEXACO Personality Inventory-Revised either as part of a job application (n = 1613) or as part of low-stakes research (n = 1613). A comprehensive set of invariance tests were performed. Applicants scored higher than non-applicants on honesty-humility (d = 0.86), extraversion (d = 0.73), agreeableness (d = 1.06), and conscientiousness (d = 0.77). The bifactor model provided improved model fit relative to a standard correlated factor model, and loadings on the evaluative factor of the bifactor model were highly correlated with other indicators of item social desirability. The bifactor model explained approximately two-thirds of the differences between applicants and non-applicants. Results suggest that rather than being a higher order construct, the general factor of personality may be caused by an item-level evaluative process. Results highlight the importance of modelling data at the item-level. Implications for conceptualizing social desirability, higher order structures in personality, test development, and job applicant faking are discussed. Copyright {\circledC} 2017 European Association of Personality Psychology",
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Comparing Job Applicants to Non-applicants Using an Item-level Bifactor Model on the HEXACO Personality Inventory. / Anglim, Jeromy; Morse, Gavin; de Vries, Reinout Everhard; MacCann, Carolyn; Marty, Andrew.

In: European journal of personality, Vol. 31, No. 6, 12.2017, p. 669-684.

Research output: Contribution to journalArticleAcademicpeer-review

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