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          For example, contemporary evolutionary research on sexual jealousy suggests that it may be a mechanism aimed at mate-retention and that, contrary to societal beliefs, sexual jealousy is not sexbiased toward men (Buunk, Angleitner, Oubaid, & Buss, 1996). Rather, men and women equally exhibit jealous behaviors; however, the cues that spark such behavior are different and adaptively relevant for each sex (Buss, Larsen, Westen, & Semmelroth, 1992). Given the specter of cuckoldry,
men tend to focus on cues that suggest a mate’s infidelity, while women focus on signals that suggest their partner’s emotional involvement with someone else, which may signal resource channeling. In the short, across numerous studies, research has found that both men and women report being jealous; however, the manner in which this jealousy plays-out and the contexts that trigger such jealousy vary (see Buss 2003a, for review). Men more than women report distress in relation to a partner’s sexual infidelity, whereas women more than men report distress in relation to a partner’s emotional infidelity. It warrants repeating that these are mean differences; it is not the case that all men or all women follow this pattern. Several contexts seem to influence the use and severity of mate retention tactics. Women partnered to higher income (resource rich), status-striving men report engaging in more vigilance, violence, appearance-enhancement, possessive ornamentation, submission, and self-abasement than do women partnered to lower income men (Buss & Shackelford, 1997b). Men with young, attractive (high reproductive value) wives report using more mate-guarding, greater resource display, and more violence than do men with less attractive wives. Additionally, men who perceive a high likelihood of their partner’s infidelity report more mate-retention efforts than do women (Buss & Shackelford, 1997a).
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        Jon A. Sefcek