Business Insider -
12 Sep 2013 23:57

Serial killers and sexual deviants aren't the only people who take pleasure in other people's pain. Sadistic personality traits are more common than you'd think — more than half of people show these both in personality questionnaires and in their actions in the lab, according to a new study published in the journal Psychological Science. People who score high on a sadism personality test find pleasure in behavior that hurts others and will even go to extra lengths to make someone suffer, the r...
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