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Title
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Testing Measurement Invariance of the Dark Triad Dirty Dozen in a Belgian Adult Sample
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Author
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Abstract
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| The Dirty Dozen (Jonason & Webster, 2010) is a frequently used concise version of the Dark Triad to measure three socially aversive personality traits: Machiavellianism, psychopathy and, narcissism. The present study has examined measurement invariance in a sample of Belgian adults. The present study aims to assess measurement invariance of the Dutch version of the Dirty Dozen measure across gender in a large city-based representative adult sample in Belgium (N = 1587). Multi-group first order confirmatory factor analysis for categorical indicators was utilized. In addition, unique associations between Dirty Dozen traits, trait self-control and, acceptance of illegitimate norms were examined in a series of structural equation models. Results indicated that the internal consistency of the Dirty Dozen subscales was good for Machiavellianism (alpha = 0.80) and narcissism (alpha = 0.80), but modest for psychopathy (alpha = 0.64). The hypothesized three correlated factors model with separate factors for Machiavellianism, psychopathy and, narcissism provided a poor fit for men and women. Invariance testing across gender showed evidence for weak invariance only, indicating that the underlying latent factors are measured the same way with the same metric in the two populations. However, we were not able to establish strong measurement invariance. Observed group differences should be interpreted with caution. Furthermore, Machiavellianism and psychopathy were strongly associated with trait self-control in both men and women. Strong correlations were found between acceptance of illegitimate norms and Dirty Dozen traits, Machiavellianism and, psychopathy, but not with narcissism. |
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Language
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English
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Source (journal)
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Psychologica Belgica / Société belge de psychologie; Belgian Association for Psychological Sciences. - Leuven, 1954, currens
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Publication
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Leuven
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2021
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ISSN
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0033-2879
[print]
2054-670X
[online]
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DOI
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10.5334/PB.1106
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Volume/pages
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61
:1
(2021)
, p. 377-390
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ISI
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000735395100001
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Pubmed ID
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35035986
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Full text (Publisher's DOI)
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Full text (open access)
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