Bullying
Dark triad

Research on the dark triad (narcissism, Machiavellianism, and psychopathy) indicate a correlation with bullying as part of evidence of the aversive nature of those traits.

Studies have shown that bullying behavior is positively correlated with Dark Triad traits. Out of the three traits of the Dark Triad, psychopathy is most strongly correlated to bullying. It is posited that this is because aggression related to psychopathy is more likely to be unprovoked than Machiavellianism and narcissism. This holds true in traditional bullying as well as with cyberbullying. Psychopathy has the strongest correlations, followed by Machiavellianism, and narcissism. Although the lower of the three, narcissism is still correlated, being more prevalent in types of indirect bullying than physical bullying.
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