Studiet udviklede en skala for motivationsfaktorer bag utroskab og fandt fire hovedmotiver: sex, utilfredshed, forsømmelse og vrede. Mænd var oftere motiveret af sex, mens kvinder var motiveret af utilfredshed. Neuroticisme var forbundet med både forsømmelse og vrede. En kompleks model passede bedre end en simpel opdeling i emotionelle og seksuelle motiver.
Titel på undersøgelse:
Motivations for Infidelity in Heterosexual Dating Couples: The Roles of Gender, Personality Differences, and Sociosexual Orientation.
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Hele abstrakt på originalsprog:
A motivational/individual differences model of infidelity is proposed in the course of empirically evaluating the traditional dichotomy between emotional and sexual motives. A scale assessing motivations for infidelity was developed and administered to 432 college students, 120 of whom reported past dating infidelity. Four motivations were identified and were associated as predicted with Big Five and other trait constructs; Sex was predicted by male gender, lower age, and unrestricted sociosexual orientation (SO); Dissatisfaction was predicted by female gender and Extraversion; Neglect was predicted by Neuroticism; and Anger by Neuroticism and low Agreeableness. As predicted, a two-factor model provides a poorer fit with the data than a multi-factor model. Unrestricted SO partially mediates the gender difference in endorsement of a sex motive for infidelity.