Sexual Jealousy: Gender Differences in Response to Partner and Rival.

Young women (N = 64) and men (N = 52) were asked to imagine discovering that their romantic partner had been sexually unfaithful. Fewer men than women gave positive endorsements to sets of aggressive actions against the unfaithful partner and against the rival. Gender differences did not appear in the motive for taking action against the rival, but more men than women endorsed releasing frustration as the motive for aggressive action against the partner. The genders appeared equally interested in maintaining the relationship with the unfaithful partner, preventing future infidelity, and attracting another partner. More men than women said they were uncertain about their partner's sexual fidelity. The results were interpreted as evidence that women are devalued more than men by and act of sexual infidelity, resulting in men's greater frustration with the partner's transgression but relative behavioral indifference to both the transgressing partner and rival. Men's greater uncertainty about a partner's infidelity may provide the basis for, as suggested by other data, men's greater tendency to ensure that a partner's infidelity and consequent devaluation never occur. [ABSTRACT FROM AUTHOR]