An empirical test how jealousy and sociosexuality vary among heterosexual, homosexual, and bisexual adults
Lindfors, Fanny (2019)
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Researchers have found a substantial sex difference in jealousy (men are more sexually jealous than women and women are more emotionally jealous than men) and sociosexuality (men have higher levels of interest in uncommitted sex than women) in studies conducted among heterosexual participants (Buss, Larsen, Westen, & Semmelroth, 1992; Schmitt, 2005). Evolutionary theories have been used to explain these differences. However, these sex differences in jealousy and sociosexuality tend to vary among heterosexual, homosexual and bisexual participants. The purpose of the present study was to investigate how jealousy and sociosexuality vary as a function of sexual orientation and gender in a large population-based sample of Finnish heterosexual, homosexual and bisexual adults. To test the predictions of the evolutionary theories in jealousy and sociosexuality, we predicted heterosexual men to report sexual infidelity as more upsetting than heterosexual women, homosexual men and women, and bisexual men and women. In contrast, heterosexual women, homosexual men and women, and bisexual men and women were predicted to report emotional infidelity as more upsetting than heterosexual men. Furthermore, we predicted men to have a more unrestrictive attitude towards uncommitted sex than women overall. However, because homosexual and bisexual men have a greater selection of potential partners with a greater unrestrictive attitude towards uncommitted sex, we predicted them to have a greater unrestrictive sociosexual behavior than heterosexual men. A two-way ANOVA was conducted, and then we used pairwise comparisons to further test our hypothesis. The sample sizes were n = 1,012 for men and n = 2,127 for women. Our predictions were partly confirmed; Heterosexual, homosexual and bisexual women reported emotional infidelity as more upsetting than heterosexual men. In addition, heterosexual men reported sexual infidelity as more upsetting than homosexual men and bisexual women. Homosexual men, as well, reported a more unrestrictive sociosexual behavior than heterosexual men. However, our other predictions were not as conclusive.
- 515 Psykologia