The finding may seem incongruous, given that lack of empathy for others is a key trait of psychopathy, which is also marked by impulsivity, superficial charm and lack of remorse. But some personality traits of psychopaths may be, in some situations, positive, said study researcher Scott Lilienfeld, a psychologist at Emory University in Atlanta. …
In two studies of undergraduate students, involving a total of 243 volunteers, and one study of 457 adults recruited online, the researchers asked people to fill out questionnaires regarding their heroic acts, even ones as minor as breaking up a public fight or helping a stranger push a car out of a ditch. The volunteers also took a personality questionnaire to determine their level of psychopathic personality traits — none of the volunteers were The 10 Most Controversial actually psychopaths, but because personality is a spectrum, some people were closer than others.
The results revealed that a couple of psychopathic traits are, indeed, linked to heroic behavior. In one undergraduate sample and in the sample of adults, a psychopathic trait called fearless dominance — essentially boldness — was linked with greater heroism and altruism toward strangers. In the other undergraduate sample, people who had higher levels of impulsive antisociality (marked by aggressiveness and antisocial behavior) were also more likely to report heroism.
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