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The Dark Triad of personality is composed of narcissism, psychopathy, and Machiavellianism. Despite the common belief that these traits are undesirable, the media is awash with characters that embody the Dark Triad. Characters like Gregory House, M.D., Batman (a.k.a. the Dark Knight), and James Bond all embody these traits and are some of the most popular media franchises today. As entertaining as these characters are, they provide us with a window into the dark side of human nature. Instead of treating the dark side of human nature as inherently maladaptive, we provide an alternative view that, despite their costs, traits like these can confer reproductive and survival benefits for the individual. In so doing, we review the research on the Dark Triad traits and provide a theoretical account for how these traits can confer some positive benefits. To facilitate comprehension, we provide examples taken from the media to show how evolutionary psychology and popular culture intersect.

A key problem facing aggression research is how to measure individual differences in aggression accurately and efficiently without sacrificing reliability or validity. Researchers are increasingly demanding brief measures of aggression for use in applied settings, field studies, pretest screening, longitudinal, and daily diary studies. The authors selected the three highest loading items from each of the Aggression Questionnaire's (Buss & Perry, 1992) four subscales--Physical Aggression, Verbal Aggression, anger, and hostility--and developed an efficient 12-item measure of aggression--the Brief Aggression Questionnaire (BAQ). Across five studies (N = 3,996), the BAQ showed theoretically consistent patterns of convergent and discriminant validity with other self-report measures, consistent four-factor structures using factor analyses, adequate recovery of information using item response theory methods, stable test-retest reliability, and convergent validity with behavioral measures of aggression. The authors discuss the reliability, validity, and efficiency of the BAQ, along with its many potential applications.

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Schadenfreude is a social emotion that describes one’s happiness at the misfortune of others. Because people experience schadenfreude to different extents, it can also be considered a trait. The present research aimed to develop a trait measure of schadenfreude and investigate the relationship between schadenfreude and political downfalls. We developed an item pool and used exploratory (Study 1) and confirmatory (Study 2) factor analyses to establish a 12-item, two-factor schadenfreude measure: benign and malicious. We also assessed its test–retest reliability (Study 3) and convergent validity with related measures (Study 4). Findings supported a two-factor schadenfreude measure that produced valid and reliable scores (Studies 1–4). In an experiment, we found a positive correlation between episodic—but not trait—schadenfreude on spreading news of a politician’s downfall (Study 5). Using a 3 (Political affiliation: Democrat, Republican, or other) × 3 (Manipulated condition: Democrat, Republican, or CEO) design, we examined the extent to which participants’ schadenfreude predicted their intentions and choices to share an embarrassing news story about a politician or CEO via social media. Schadenfreude can be assessed as a reliable trait—one that may help us predict why some people intend to spread news of embarrassing political failures.