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The Dark Triad refers to three malevolent personality traits, namely narcissism, Machiavellianism, and psychopathy. The Dirty Dozen (DD) and Short Dark Triad (SD3) have been developed as concise scales for measuring these traits. This study examined the psychometrics properties of the Spanish version of the DD and SD3 in a non-clinical population recruited via the internet (N = 454). For both scales, we found (1) an adequate fit for the hypothesized factor structure with three separate but correlated malevolent traits; (2) mostly moderate to good reliability coefficients; (3) significant gender differences with males scoring higher on Dark Triad traits than females; (4) theoretically meaningful links with Eysenck’s personality supertraits; (5) positive correlations with externalizing and – albeit to a lesser extent –internalizing psychiatric symptoms; and (6) that most Dark Triad traits were positively associated with a socially desirable response tendency. It can be concluded that the Spanish DD and SD3 display highly similar psychometric qualities as the original scales and other translations of these measures.

The aim of this study was to investigate trends in research related to the Dark Triad using a bibliometric analysis. Four main clusters were recognized on author keywords: Dark Triad traits (Machiavellianism, narcissism, and psychopathy, along with terms such are life history theory, mating, and morality), measurement (short Dark Triad measures and terms related to psychometrics), personality models (Big Five, Five Factor Model, HEXACO, and terms related to sadism and aggression), and mainly gender differences cluster. The measurement and personality models clusters gathered the latest research, but specifically studies containing terms related to short Dark Triad measures and sadism. Analysis of the indexed keywords revealed a similar organization of the clusters, but with a great prominence of clinical studies and methodological terms. The map of bibliographic coupling showed several relatively separated groups of authors with different focus in cited references, with Jonason, P.K. in the central position. However, a map of co-citation of authors revealed closeness of these separated groups, with Jonason, P.K. and Paulhus, D.L. with nearly equal number of citations.

The Dark Triad represents a collection of three socially aversive traits, namely Machiavellianism, psychopathy, and narcissism. In this study, we examined the psychometric properties of the Italian translation of the Dark Triad Dirty Dozen (DTDD) in a sample of 799 adults, and we explored the associations among Dark Triad traits, theory of mind, empathy, and alexithymia. The DTDD showed a good internal consistency and a bifactor structure including a three-factor non-hierarchical model and a global, second-order factor with all of the DTDD items loading on it. The DTDD traits were positively associated with alexithymia and negatively associated with theory of mind and empathy. Also, results of regression analyses showed that difficulty identifying feelings and a reduced emotional reactivity were significant predictors of the Dark Triad traits. Our findings support the validity and reliability of the Italian translation of the DTDD, and suggest that individuals with high levels of Dark Triad traits may have difficulties in understanding and processing their own rather than other people’s emotional states.

Background. The dark side of human character has been conceptualized in the Dark Triad Model: Machiavellianism, psychopathy, and narcissism. These three dark traits are often measured using single long instruments for each one of the traits. Nevertheless, there is a necessity of short and valid personality measures in psychological research. As an independent research group, we replicated the factor structure, convergent validity and item response for one of the most recent and widely used short measures to operationalize these malevolent traits, namely, Jonason’s Dark Triad Dirty Dozen. We aimed to expand the understanding of what the Dirty Dozen really captures because the mixed results on construct validity in previous research. Method . We used the largest sample to date to respond to the Dirty Dozen ( N = 3,698). We firstly investigated the factor structure using Confirmatory Factor Analysis and an exploratory distribution analysis of the items in the Dirty Dozen. Secondly, using a sub-sample ( n = 500) and correlation analyses, we investigated the Dirty Dozen dark traits convergent validity to Machiavellianism measured by the Mach-IV, psychopathy measured by Eysenck’s Personality Questionnaire Revised, narcissism using the Narcissism Personality Inventory, and both neuroticism and extraversion from the Eysenck’s questionnaire. Finally, besides these Classic Test Theory analyses, we analyzed the responses for each Dirty Dozen item using Item Response Theory (IRT). Results. The results confirmed previous findings of a bi-factor model fit: one latent core dark trait and three dark traits. All three Dirty Dozen traits had a striking bi-modal distribution, which might indicate unconcealed social undesirability with the items. The three Dirty Dozen traits did converge too, although not strongly, with the contiguous single Dark Triad scales ( r between .41 and .49). The probabilities of filling out steps on the Dirty Dozen narcissism-items were much higher than on the Dirty Dozen items for Machiavellianism and psychopathy. Overall, the Dirty Dozen instrument delivered the most predictive value with persons with average and high Dark Triad traits ( theta > −0.5). Moreover, the Dirty Dozen scale was better conceptualized as a combined Machiavellianism-psychopathy factor, not narcissism, and is well captured with item 4: ‘I tend to exploit others towards my own end.’ Conclusion. The Dirty Dozen showed a consistent factor structure, a relatively convergent validity similar to that found in earlier studies. Narcissism measured using the Dirty Dozen, however, did not contribute with information to the core of the Dirty Dozen construct. More importantly, the results imply that the core of the Dirty Dozen scale, a manipulative and anti-social trait, can be measured by a Single Item Dirty Dark Dyad (SIDDD).

Currently our understanding of environmental factors that influence the development of dark personality traits (DT) is limited. Therefore, we conducted three studies using online questionnaires, each examining a different aspect of the relation between dark personality traits and family environment. In Study 1, 117 adults (mean age: 30.36 years, SD = 10.19) filled out questionnaires regarding their childhood relationship with siblings and their own DT traits. We found that the amount of conflicts with siblings during adolescence correlated positively with Machiavellianism and psychopathy. The feeling of closeness towards the siblings showed negative correlation with Machiavellianism. Parental partiality towards the other sibling was positively correlated with narcissism. In Study 2, 111 adolescents (mean age: 15.92, SD = 1.24) reported their perceptions of the rearing style of their parents, in addition to their sibling relationships and DT traits. Perceived parental emotional warmth was negatively associated, whereas both rejection and overprotection were positively correlated with psychopathy. Parental warmth was positively, while rejection negatively associated with narcissism. Machiavellianism was positively associated with the amount of conflicts with siblings, but negatively with closeness to siblings. In Study 3, 110 adults (mean age: 32.62 years, SD = 12.25) reported their levels of the Vulnerable Dark Triad that included measures of primary and secondary psychopathy, maladaptive covert narcissism, and borderline personality organization. Results indicated that sibling relation quality had a significant effect on primary psychopathy and borderline traits. Parental rejection and overprotection correlated with borderline traits and vulnerable narcissism. The results of these studies shed some light on how environmental impulses, particularly the quality of relationships between family members, affect the development of personality.

The Short Dark Triad is a scale used to capture three aversive personality traits—Machiavellianism, narcissism, and psychopathy on the subclinical level. The present study aimed to verify the psychometric properties of the Slovak version of the Short Dark Triad scale in three studies. The first two studies aimed to examine the reliability of the scale. The aim of Study 1 was to examine the factor structure of SD3. A three-factor model consisting of three latent intercorrelated factors in a unidimensional and bifactorial model were examined on a sample of 588 participants. Study 2 aimed to test the consistency of the results over time (test–retest reliability) on the sample of 117 participants. In Study 3, convergent and divergent validity was examined on the sample of 333 participants. For both kinds of validity examination, the Slovak version of NEO-FFI was used. The internal consistency of the subscales and test results, the same as the retest results, were satisfactory. The relationships between the scales were found to be significant. Confirmatory factor analysis (CFA) results supported the original three-factor model. Significant interrelations have been established between Machiavellianism and openness, agreeableness and conscientiousness; narcissism and neuroticism, extraversion and agreeableness; psychopathy and openness, agreeableness and conscientiousness. The Short Dark Triad achieved satisfactory values of reliability and validity; therefore, it can be used on the Slovak population.

The present study set out to examine the relationships between bright and dark personality traits and three different types of jealousy: reactive jealousy (negative emotions in reaction to a partners infidelity), anxious jealousy (worrying about a partners infidelity), and preventive jealousy (the need to prevent a partner from having contact with others). In so doing, we used both a general broad personality questionnaire and a Dark Triad questionnaire for the assessment of personality. In a heterogeneous sample of 680 participants, it was found that neuroticism was positively related to anxious and preventive jealousy, and introversion and hostility to all three types of jealousy. Structure was related positively to reactive jealousy, and Machiavellianism and narcissism to preventive jealousy. These results are largely in line with our hypotheses. The Dark Triad traits were found to have incremental validity in the prediction of preventive jealousy, with Machiavellianism being the best predictor of preventive jealousy. This suggests that preventive jealousy might be a bit darker than previously thought. Practical implications for dealing with j ealousy in relationships are discussed.

The term dark triad refers to the constellation of narcissism, Machiavellianism, and psychopathy. Over the past few years, the concept has gained momentum, with many researchers assuming that the dark triad is a prominent antecedent of transgressive and norm-violating behavior. Our purpose in this meta-analytic review was to evaluate (a) interrelations among narcissism, Machiavellianism, and psychopathy; (b) gender differences in these traits; (c) how these traits are linked to normal personality factors; and (d) the psychosocial correlates of the dark triad. Our findings show that dark triad traits are substantially intercorrelated, somewhat more prevalent among men than women, predominantly related to the Big Five personality factor of agreeableness and the HEXACO factor of honesty-humility, and generally associated with various types of negative psychosocial outcomes. We question whether dark triad traits are sufficiently distinct and argue that the way they are currently measured is too simple to capture the malevolent sides of personality. Because most research in this domain is cross-sectional and based on self-reports, we recommend using a cross-informant approach and prospective, longitudinal research designs for studying the predictive value of dark triad features.

The term dark personalities refers to a set of socially aversive traits in the subclinical range. Not extreme enough to invite clinical or forensic attention, they can get along (even flourish) in everyday work settings, scholastic settings, and the broader community. Along with my research group, I have studied a constellation of these personalities—Machiavellianism, narcissism, psychopathy, and everyday sadism—under the label \"Dark Tetrad.\" We have argued that, because of their overlap, these four traits should be studied in concert. Recently developed inventories now facilitate identification of the unique contributions of each trait. The present review highlights key advances and controversies emerging from work on these malevolent, yet fascinating, characters.

Although there has been increasing interest in dark personality traits in the organizational sciences, these characteristics remain relatively understudied and somewhat misunderstood. The present manuscript aims to clarify some of the issues surrounding dark personality traits by discussing the history of dark personality traits, how they relate to normal personality traits, their relative importance as determinants of organizational outcomes, and measurement issues surrounding the assessment of these characteristics. We will then discuss potential future directions for research investigating the causes and consequences of these traits as well as providing guidance on the implementation of dark personality assessment in the workplace for selection and training.