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A reproductive threat-based model of evolved sex differences in jealousy.
Evol Psychol. 2012 Aug 10; 10(3):487-503.EP

Abstract

Although heterosexual women and men consistently demonstrate sex differences in jealousy, these differences disappear among lesbians and gay men as well as among heterosexual women and men contemplating same-sex infidelities (infidelities in which the partner and rival are the same sex). Synthesizing these past findings, the present paper offers a reproductive threat-based model of evolved sex differences in jealousy that predicts that the sexes will differ only when the jealous perceivers' reproductive outcomes are differentially at risk. This model is supported by data from a web-based study in which lesbians, gay men, bisexual women and men, and heterosexual women and men responded to a hypothetical infidelity scenario with the sex of the rival randomly determined. After reading the scenario, participants indicated which type of infidelity (sexual versus emotional) would cause greater distress. Consistent with predictions, heterosexual women and men showed a sex difference when contemplating opposite-sex infidelities but not when contemplating same-sex infidelities, whereas lesbians and gay men showed no sex difference regardless of whether the infidelity was opposite-sex or same-sex.

Authors+Show Affiliations

Department of Psychology, Northern Illinois University, DeKalb, IL, USA. bsagarin@niu.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22947673

Citation

Sagarin, Brad J., et al. "A Reproductive Threat-based Model of Evolved Sex Differences in Jealousy." Evolutionary Psychology : an International Journal of Evolutionary Approaches to Psychology and Behavior, vol. 10, no. 3, 2012, pp. 487-503.
Sagarin BJ, Becker DV, Guadagno RE, et al. A reproductive threat-based model of evolved sex differences in jealousy. Evol Psychol. 2012;10(3):487-503.
Sagarin, B. J., Becker, D. V., Guadagno, R. E., Wilkinson, W. W., & Nicastle, L. D. (2012). A reproductive threat-based model of evolved sex differences in jealousy. Evolutionary Psychology : an International Journal of Evolutionary Approaches to Psychology and Behavior, 10(3), 487-503.
Sagarin BJ, et al. A Reproductive Threat-based Model of Evolved Sex Differences in Jealousy. Evol Psychol. 2012 Aug 10;10(3):487-503. PubMed PMID: 22947673.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A reproductive threat-based model of evolved sex differences in jealousy. AU - Sagarin,Brad J, AU - Becker,D Vaughn, AU - Guadagno,Rosanna E, AU - Wilkinson,Wayne W, AU - Nicastle,Lionel D, Y1 - 2012/08/10/ PY - 2012/9/6/entrez PY - 2012/9/6/pubmed PY - 2013/4/3/medline SP - 487 EP - 503 JF - Evolutionary psychology : an international journal of evolutionary approaches to psychology and behavior JO - Evol Psychol VL - 10 IS - 3 N2 - Although heterosexual women and men consistently demonstrate sex differences in jealousy, these differences disappear among lesbians and gay men as well as among heterosexual women and men contemplating same-sex infidelities (infidelities in which the partner and rival are the same sex). Synthesizing these past findings, the present paper offers a reproductive threat-based model of evolved sex differences in jealousy that predicts that the sexes will differ only when the jealous perceivers' reproductive outcomes are differentially at risk. This model is supported by data from a web-based study in which lesbians, gay men, bisexual women and men, and heterosexual women and men responded to a hypothetical infidelity scenario with the sex of the rival randomly determined. After reading the scenario, participants indicated which type of infidelity (sexual versus emotional) would cause greater distress. Consistent with predictions, heterosexual women and men showed a sex difference when contemplating opposite-sex infidelities but not when contemplating same-sex infidelities, whereas lesbians and gay men showed no sex difference regardless of whether the infidelity was opposite-sex or same-sex. SN - 1474-7049 UR - https://www.unboundmedicine.com/medline/citation/22947673/A_reproductive_threat_based_model_of_evolved_sex_differences_in_jealousy_ DB - PRIME DP - Unbound Medicine ER -