engleski

Actor-partner interdependence modelling of the effects of the Dark Triad traits on the relationship

By using round-robin design, we tested the effects of the Dark Triad (DT) traits on relationship satisfaction (RS) of 205 heterosexual romantic couples, by using actor- partner interdependence model (APIM). DT traits were measured twofold, once by using a set of questionnaires most often used for this purpose (SRP - III, NPI and MACH-IV) and then by Dirty dozen (DD), a concise measure of DT traits. The results showed that psychopathy exerted the most consistent negative actor and partner effects on both women’s and men’s RS, notwithstanding data source and measure. On the other hand, the effects of Narcissism and Machiavellianism were also negative but somewhat weaker, and they depended on data source and measures used. The most frequent dyadic patterns obtained for all DT traits were the couple and actor-only pattern with some differences depending upon measure, data source and gender of the participants.

DT traits, relationship satisfaction, romantic couples, actor-partner interdependence model (APIM)

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