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Individual differences in attachment bonds may influence the performance of mate retention behaviors. Because anxiously attached individuals are hypervigilant to partner rejection cues, we hypothesize that individuals higher in anxious attachment will perform more frequent mate retention behaviors. Because avoidantly attached individuals evade intimacy with their partners, we hypothesize that individuals higher in avoidant attachment will perform less frequent mate retention behaviors. Participants (N = 469) in a romantic relationship completed measures of romantic attachment and mate retention behaviors. The results provide support for the study hypotheses but also reveal that avoidantly attached women perform more frequent mate retention behaviors that deter intrasexual rivals. We discuss limitations of this research and highlight directions for research on romantic attachment, mate retention behaviors, and infidelity.

Previous research indicates that the romantic attachment dimensions of anxiety and avoidance are associated with performance frequency of Benefit-Provisioning and Cost-Inflicting domains of mate retention. The current research aimed to replicate previous findings in a non-Western sample (Iran, Study 1) and to extend this research by investigating the mediating role of perceived risk of partner infidelity (Study 2). Studies 1 and 2 tested the hypotheses that attachment anxiety is positively associated with mate retention and that attachment avoidance is negatively associated with mate retention. Study 2 tested the hypothesis perceived risk of partner infidelity mediate the association between attachment dimensions and mate retention domains. Results of Studies 1 and 2 replicated previous research and also revealed that perceived risk of partner infidelity mediated the association between attachment anxiety, specifically, and mate retention. The current research advances our understanding of romantic attachment from an evolutionary psychological perspective.

The current study investigated the psychometric properties of the Persian translation of the Mate Retention Inventory-Short Form (MRI-SF) in Iran. We also investigated sex differences in the use of mate retention tactics and investigated the relationships between mate retention behaviors and a number of related cultural constructs. Participants (N ¼ 308) ranged in age from 18 to 57 years. All participants were in a committed romantic relationship, with mean relationship length of 63.5 months (SD ¼ 73.8). Participants completed the Persian translation of the MRI-SF and measures of religiosity, relationship satisfaction, self-esteem, and socioeconomic status. Cultural measures specific to Iran were also included, such as Mahr (for married individuals), self-perceived Qeiratiness (for men), and self-perceived jealousy (for women). Mahr is a mandatory amount of money or possessions paid or promised to be paid by the groom to the bride at the time of the marriage contract. Qeirati is a male-specific adjective in Persian meaning protective against unwanted attention toward a man's romantic partner. Female jealousy is usually regarded the counterpart of male Qeiratiness in Iranian culture. The 19 mate retention tactics formed a two-component structure, consistent with previous research. Results demonstrate adequate internal consistency of 2-item assessments of mate retention tactics. Observed sex differences accorded with previous mate retention research and are discussed in reference to evolutionary perspectives on human mating. Several significant associations emerged between mate retention tactics and Iranian culturespecific variables and are discussed from a cross-cultural perspective.