Since its emergence 14 years ago the dark triad (DT), composed of narcissism, psychopathy, and Machiavellianism, has become an increasingly popular research focus. Yet questions remain over whether the DT components are sufficiently distinct from another. We examined the nomological networks of each DT component through a meta-analysis of the available literature on the DT. We conducted 3 separate analyses-an examination of the average intercorrelations among the DT components ( = 156), an examination of similarities in each DT component's nomological network ( = 159), and an examination of the effect sizes between DT components and 15 outcome categories ( range = 7 to 42). Our results indicate that the nomological networks of psychopathy and Machiavellianism overlap substantially while narcissism demonstrated differential relations compared with psychopathy and Machiavellianism. These results remained relatively constant after controlling for DT assessment approach. We argue that the current literature on Machiavellianism may be better understood as a secondary psychopathy literature. Future directions for DT research are discussed in light of our meta-analytic results. (PsycINFO Database Record
These findings demonstrate the parsimony of using basic personality to study personality pathology and have implications for how vulnerable narcissism might be approached clinically.
Machiavellianism is characterized by planfulness, the ability to delay gratification, and interpersonal antagonism (i.e., manipulativeness and callousness). Although its theoretically positive relations with facets of Conscientiousness should help distinguish Machiavellianism from psychopathy, current measurements of Machiavellianism are indistinguishable from those of psychopathy in large part because of their assessment of low Conscientiousness. The goal of the present study was to create a measure of Machiavellianism that is more in line with theory using an expert-derived profile based on the 30 facets of the five-factor model (FFM) and then test the validity of that measure by comparing it with relevant constructs. Previously collected expert ratings of the prototypical Machiavellian individual on FFM facets yielded a profile of 13 facets including low Agreeableness and high Conscientiousness. Items were written to represent each facet, resulting in a 201-item Five Factor Machiavellianism Inventory (FFMI). Across 2 studies, with a total of 710 participants recruited via Mechanical Turk, the FFMI was reduced to its final 52-item form and was shown to relate as expected to measures of Big Five personality traits, current Machiavellianism measures, psychopathy, narcissism, ambition, and impulsivity. The FFMI is a promising alternative Machiavellianism measure. (PsycINFO Database Record (c) 2018 APA, all rights reserved).
Historical conceptualizations have framed personality disorders (PDs) as unchanging and ego-syntonic. However, recent evidence suggests that individuals with PD traits may have some insight into their personality and consider those traits to be somewhat ego-dystonic. To replicate and extend previous findings, participants (N = 328) self-reported their PD trait levels, likability of those traits, impairment, capability for change, and desired trait levels. The results demonstrated that individuals with PD traits tolerate but still dislike those traits, believe that they cause them problems, and are interested in reducing them. Level of PD trait did not relate to perception of capability for change. Likability and impairment moderated most of the relations between actual PD trait and desired level. That is, there was a stronger correlation between actual and desired levels among individuals who liked the trait more; there was also greater agreement between actual and desired levels among individuals who found the traits less impairing. For 2 of the traits-Negative Affectivity and Detachment-individuals who felt more capable of changing these traits demonstrated greater agreement between their actual and desired levels. These data suggest that individuals with PD traits do not generally see them as particularly likable and see them as impairing; such impressions may have important implications for where individuals ultimately prefer to reside on these PD trait domains. (PsycINFO Database Record
Multivariate procedures (e.g. structural equation modelling) are essential to personality psychology, but interpretive difficulties can arise when examining the relations between residualized variables (i.e. the residual content of a variable after its overlap with other variables has been statistically controlled for) and outcomes of interest. These issues have been the focus of recent debate within the research literature on the Dark Triad, which is a collection of interrelated but theoretically distinct personality constructs made up of narcissism, Machiavellianism and psychopathy. The present paper highlights previous work on the issue of partialling and also makes use of recent developments surrounding meta‐analytic structural equation modelling to reliably assess the impact of partialling on the empirical profiles of the Dark Triad components. The results show that numerous interpretive difficulties arise after partialling the overlap among the Dark Triad components, most notably for narcissism and Machiavellianism. The results are discussed in the context of contemporary Dark Triad research in addition to discussing the implications for structural equation modelling methods in personality psychology more generally. Recommendations are made for how future research can mitigate the interpretive difficulties that may arise from partialling. Copyright © 2018 European Association of Personality Psychology
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