Desteno1 - PSYCHOLOGICAL SCIENCE Special Section...

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PSYCHOLOGICAL SCIENCE Special Section EVOLUTIONARY ORIGINS OF SEX DIFFERENCES IN JEALOUSY? Questioning the "Fitness" of the Model David A. DeSteno and Peter Salovey Yale University Abstract Evolutionary psychology has become a popular framework for studying jealousy Much of this popularity can be attributed to work by Buss and his colleagues showing an apparent relation between an individual's sex and jealousy for certain types of infidelity (i e , sexual vs emotional) that is Semmelroth, 1992) In two studies, we take issue with these findings and argue that the relation between sex and jealousy reported by Buss and his colleagues is more properly explained by considering individuals' beliefs concerning the covariation between sexual and emotional infidelity Evolutionary psychology has become a popular perspective from which to study jealousy In accord with this perspective, the origins of jealousy are ascnbed to the evolutionary history of humans (Buss, 1991, 1995), and the psychological mecha- nisms thought to be responsible for the evocation of jealousy are evaluated with respect to their present or past adaptive the evolutionary perspecUve among investigators studying jeal- / can be attributed in part to an influential article by Buss and his colleagues showing a sex difference in the intensity of jealousy in response to different types of infidelity (Buss, jealousy in situations involving sexual rather than emotional infidelity, but women reported more jealousy in situations in- volving emotional, as opposed to sexual, infidelity These sex differences m the ehcitors of jealousy anse, ac- cording to the evolutionary model, as a consequence of their fitness-enhancing capabilities (Buss et al , 1992) Fitness refers to the ability to pass on genetic material by raising offspring to stated, evolutionary theory predicts that males in species em- ploying internal fertilization are vigilant of possible sexual con- tact by their mates with other males this behavior is designed to prevent cuckoldry Females of biparental species with inter- nal fertilization have no doubt concerning their genetic hnk to ofTspnng and are therefore predicted to be vigilant of threats concerning the absconding of the male, not of the sexual act Itself, the male's continued presence aids in the successful rear- In order to evaluate these predictions for human jealousy, Bussetal (1992) conducted three studies In all the studies, the dependent variable of interest was which of two types of infi- delity (sexual or emotional) would evoke more intense jealousy Address correspondence to Peter Salovey, Department of Psychol- ogy, Yale University, P O Box 208205, New Haven, CT 06520^205
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This note was uploaded on 09/09/2011 for the course PSY 146 taught by Professor Staff during the Spring '11 term at UCSB.

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Desteno1 - PSYCHOLOGICAL SCIENCE Special Section...

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