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We investigated the relationship between Brazilian women's reported reasons for pretending orgasm, their performance of mate retention behaviors, and their relationship satisfaction. Additionally, we secured evidence of the validity and reliability of a Brazilian-Portuguese adaptation of the Reasons to Pretend Orgasm Inventory (RPOI). Participants were 295 Brazilian women in a heterosexual relationship (Mage = 24.9 years, SDage = 5.4 years). Participants completed a Brazilian-Portuguese adaptation of the Mate Retention Inventory-Short Form, and the translated RPOI (the Escala de Razões para Fingir Orgasmo; ERFO). The resulting 47-item ERFO represents well the original 63-item RPOI. The frequency with which Brazilian women pretend orgasm was negatively associated with their relationship satisfaction. Our sample size may not be sufficient to detect small effects. In addition, due to the exploratory nature of the study, the results should be interpreted with caution and future research may attempt to replicate these findings with larger samples and in other countries.

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We investigated the relationships among men's sexual coercion, men's performance of mate retention behaviors, and their partner's relationship satisfaction in Brazil (Study 1) and the United States (Study 2). In addition, we adapted the Sexual Coercion in Intimate Relationships Scale (SCIRS) to the Brazilian context (Escala de Coerção Sexual em Relacionamentos Amorosos [ECSRA]; Study 1) and investigated the suitability of the adapted version in the American context (Sexual Coercion in Intimate Relationships Scale-Short Form [SCIRS-SF]; Study 2). Study 1 included 181 Brazilians, aged between 18 and 49 years (M = 23.5; SD = 5.1), mostly female (60.8%). Study 2 included 508 Americans, aged between 19 and 70 years (M = 34.7; SD = 9.7), mostly male (52.6%). Participants were in a heterosexual, romantic relationship for at least 3 months. Participants completed the SCIRS, a 34-item measure assessing how often participants experienced each sexually coercive behavior, the MRI-SF, a 38-item measure assessing how often participants performed each mate retention act, and several items regarding relationship satisfaction. The results indicated that American (but not Brazilian) men's sexual coercion is positively correlated with their performance of cost-inflicting and benefit-provisioning mate retention behaviors. Men's sexual coercion did not affect their partner's relationship satisfaction in either the American or Brazilian contexts. The SCIRS-SF (nine items) reliably represents the SCIRS (34 items) in the American context. We recommend the SCIRS-SF for assessing performance frequency of sexual coercion. The SCIRS-SF may be used as a screening tool to identify patterns of sexual coercion in couples from Brazil and the United States. We highlight limitations of the current research and identify directions for future research.

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OBJECTIVES: Strategic Pluralism Theory contends that human mating strategies are calibrated toward short-term (ST) or long-term (LT) mating according to the expression of condition-dependent traits and characteristics of the social and physical environment. Traits reflecting the effects of testosterone have been considered condition-dependent traits that provide information about the calibration of male mating strategy. We investigated the relationship of muscle mass and facial masculinity with attitudes and behaviors reflecting ST and LT mating tactics. METHODS: We measured skeletal muscle mass (SMM) through bioelectrical impedance and facial width-to-height ratio (fWHR) in a sample of Chilean men (n = 206; mean age = 22.52 ± 4.65 SD), and collected information about sociosexual attitudes and past sexual behavior. RESULTS: Our results showed an interaction effect of SMM and fWHR on unrestricted (but not restricted) sociosexual attitudes and past sexual behavior. Individuals with a consistent expression of both traits (ie, high SMM and fWHR or low SMM and fWHR) reported higher levels of unrestricted sociosexual attitudes and a greater number of lifetime and previous-year sexual partners. CONCLUSIONS: These findings suggest that the intensity and consistency of expression of body and facial masculinity is important in signaling male mating tactics and sociosexual attitudes.

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We investigated whether (a) people positively reevaluate the characters of recently dead others and (b) supernatural primes concerning an ambient dead agent serve to curb selfish intentions. In Study 1, participants made trait attributions to three strangers depicted in photographs; one week later, they returned to do the same but were informed that one of the strangers had died over the weekend. Participants rated the decedent target more favorably after learning of his death whereas ratings for the control targets remained unchanged between sessions. This effect was especially pronounced for traits dealing with the decedent's prosocial tendencies (e.g., ethical, kind). In Study 2, a content analysis of obituaries revealed a similar emphasis on decedents' prosocial attributes over other personality dimensions (e.g., achievement-relatedness, social skills). Finally, in Study 3, participants who were told of an alleged ghost in the laboratory were less likely to cheat on a competitive task than those who did not receive this supernatural prime. The findings are interpreted as evidence suggestive of adaptive design.