Dark-triad traits are linked to short-term mating, not long-term relationships

The number

The dark-triad research the "women want jerks" claim rests on found these traits — narcissism, Machiavellianism and psychopathy — associated with short-term, casual mating but not long-term mating, and the link was stronger for men than for women. In other words, any measured mating advantage is specific to casual encounters, not committed relationships, and reads more as a male short-term strategy than as a female preference for cruelty. ^[1]

What it does and doesn't establish

The finding is real but narrow: some unpleasant, high-confidence traits can generate quick, low-commitment interest. What it does not establish is that women prefer jerks for relationships, or that "nice guys finish last." Those are claims about long-term partner choice — exactly the context the dark-triad study found no effect in. When the nice-guy stereotype was tested head-on, niceness was a positive factor in women's choices: women picked the nicer man over an insensitive but better-looking one and rated him the better long-term partner. ^[2] A short-term novelty is being mistaken for what women select for in a partner.

Do women prefer jerks over nice guys?