In species with internal female fertilization, males risk both lowered paternity probability and
investment in rival gametes if their mates have sexual contact with other males. Females of�…

The hypothesis derived from the evolutionary view of jealousy that men's jealousy
mechanism (JM) preferentially processes cues signaling a mate's sexual infidelity, whereas�…

Infidelity poses threats to high-investment mating relationships. Because of gender
differences in some aspects of reproductive biology, such as internal female fertilization, the�…

Previous investigators have confirmed the evolutionary hypothesis that the sexes differ in
their responses to sexual vs. emotional infidelity and have taken their results as suggesting�…

Two decades ago, mainstream psychologists explained jealousy as a pathology, social
construction, or by-product of capitalist society, manifested identically in men and women [1]�…

The theory of evolved sex differences in jealousy predicts sex differences in responses to
sexual infidelities and emotional infidelities. Critics have argued that such differences are�…

It has often been speculated, and some evidence suggests, that men and women differ in
the elicitation of jealousy: Men appear to be more likely than women to become upset over�…

The theory of evolved sex differences in jealousy has emerged as one of evolutionary
psychology's most prominent lines of research. In this paper, we offer a 25-year retrospective�…

The present studies address two criticisms of the theory of evolved sex differences in
jealousy:(a) that the sex difference in jealousy emerges only in response to hypothetical�…

In a recent article, Harris (2003) concluded that the data do not support the existence of
evolved sex differences in jealousy. Harris' review correctly identifies fatal flaws in three�…