Mate Retention Behavior and Ejaculate Quality in Humans

Males of some species use mate retention behavior and investment in ejaculate quality as anti-cuckoldry tactics concurrently while others do so in a compensatory fashion. Leivers, Rhodes, and Simmons (2014) reported that men who performed mate retention less frequently produced higher-quality ejaculates, suggesting that humans use these tactics compensatorily. We conducted a conceptual replication of this research in a sample of 41 men (18-33 years; M = 23.33; SD = 3.60). By self-report, participants had not had a vasectomy and had never sought infertility treatment. We controlled for several covariates known to affect ejaculate quality (e.g., abstinence duration before providing an ejaculate) and found no statistically significant relationships between mate retention behavior and four components of ejaculate quality: sperm velocity, sperm concentration, slow motility, and ejaculate volume. The present results provide little support for the hypothesis that human males deploy mate retention behavior and ejaculate quality investment compensatorily. We discuss the limitations of this study and highlight the need for research to address questions about the nature of anti-cuckoldry tactic deployment in humans, especially concerning investment in ejaculate quality.

A Cascade Model of Sociodevelopmental Events Leading to Men's Perpetration of Violence Against Female Romantic Partners

Conceptually driven by life history theory, the current study investigated a hypothesized hierarchy of behaviors leading to men's perpetration of violence in intimate relationships. Using a series of hierarchical regressions, we tested a causal cascade model on data provided by 114 men in a committed romantic relationship. The results supported the hypothesized hierarchy of sociodevelopmental events: (1) men's childhood experiences with their parents' parental effort predicted men's life history strategies; (2) men's life history strategies predicted men's behavioral self-regulation; (3) men's self-regulation predicted men's perceptions of partner infidelity risk; (4) perceptions of infidelity risk predicted men's frequency of engagement in nonviolent mate retention behaviors; (5) men's mate retention behaviors predicted men's frequency of partner-directed violence. The overall cascade model explained 36% of variance in men's partner-directed violence.

Differences between perceived age and chronological age in women: A multi-ethnic and multi-centre study

Objective

Accuracy in assessing age from facial cues is important in social perception given reports of strong negative correlations between perceived age and assessments of health and attractiveness. In a multi‐ethnic and multi‐centre study, we previously documented similar patterns of female facial age assessments across ethnicities, influenced by gender and ethnicity of assessors.

Methods

Here we extend these findings by examining differences between estimated age from digital portraits and chronological age (Δ age) for 180 women from three age groups (20–34, 35–49, 50–66 years) and five ethnicities (36 images of each ethnicity, assessed for age on a continuous scale by 120 female and male raters of each ethnicity).

Results

Across ethnicities, Δ age was smallest in French assessors and largest in South African assessors. Numerically, French women were judged oldest and Chinese women youngest relative to chronological age. In younger women, Δ age was larger than in middle‐aged and older women. This effect was particularly evident when considering the interaction of women's age with assessor gender and ethnicity, independently and together, on Δ age.

Conclusion

Collectively, our findings suggest that accuracy in assessments of female age from digital portraits depends on the chronological age and ethnicity of the photographed women and the ethnicity and gender of the assessor. We discuss the findings concerning ethnic variation in skin pigmentation and visible signs of ageing and comment on implications for cosmetic science.

Reasons to Pretend Orgasm, Mate Retention, and Relationship Satisfaction in Brazilian Women

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.

Sexual Coercion, Mate Retention, and Relationship Satisfaction in Brazilian and American Romantic Relationships

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.

Cross-cultural perception of female facial appearance: A multi-ethnic and multi-centre study

Humans extract and use information from the face in assessments of physical appearance. Previous research indicates high agreement about facial attractiveness within and between cultures. However, the use of a narrow age range for facial stimuli, limitations due to unidirectional cross-cultural comparisons, and technical challenges have prevented definitive conclusions about the universality of face perception. In the present study, we imaged the faces of women aged 20 to 69 years in five locations (China, France, India, Japan, and South Africa) and secured age, attractiveness, and health assessments on continuous scales (0-100) from female and male raters (20-66 years) within and across ethnicity. In total, 180 images (36 of each ethnicity) were assessed by 600 raters (120 of each ethnicity), recruited in study centres in the five locations. Linear mixed model analysis revealed main and interaction effects of assessor ethnicity, assessor gender, and photographed participant ("face") ethnicity on age, attractiveness, and health assessments. Thus, differences in judgments of female facial appearance depend on the ethnicity of the photographed person, the ethnicity of the assessor, and whether the assessor is female or male. Facial age assessments correlated negatively with attractiveness and health assessments. Collectively, these findings provide evidence of cross-cultural variation in assessments of age, and even more of attractiveness, and health, indicating plasticity in perception of female facial appearance across cultures, although the decline in attractiveness and health assessments with age is universally found.

The basic cognition of jealousy: an evolutionary perspective

Penke and Asendorpf (European Journal Of Personality, vol 21, this issue) argue compellingly that research on jealousy would benefit from more direct investigation of cognitive processes, and report on research providing mixed evidence for sex differences in jealousy. We identify three limitations to the empirical approach utilised by Penke and Asendorpf, and highlight novel conceptual and methodological approaches for directly examining the basic cognitive mechanisms associated with jealousy and intrasexual rivalry. Investigating the basic cognition of intrasexual rivalry will help expand the scope of jealousy‐related research. Copyright © 2007 John Wiley & Sons, Ltd.

Are There Differences in Experts' and Lay Assessors' Attractiveness Judgments of Non-Professional Men's Dance/Gait Movements?

Research on attractiveness assessments of men's dance has shown that raters derive and integrate information about male mating-related qualities into their attractiveness assessments, but prior studies have focused on lay assessors (i.e., individuals with no professional dance background) rather than dance experts. We recruited male and female Russian dance experts (n = 23) to judge gender-neutral, featureless virtual characters, animated with motion-captured dance movements and gaits of British men, and compared their dance assessments to those from a group of Russian male and female lay assessors (n = 73). The dance experts provided higher dance and gait attractiveness judgments than the lay assessors. Both groups judged the gait movements to be of higher attractiveness than the dance movements. Differences in attractiveness assessments between experts and lay assessors were larger for the male judges than for the female judges. In an additional survey, the dance experts (versus lay assessors) placed greater emphasis on the importance of dance-related capacities and skills. We discuss our findings with reference to past research on dance/gait attractiveness as assessed by lay judges and the role of expertise in assessing body movement.

"Human status criteria: Sex differences and similarities across 14 nations": Correction to Buss et al. (2020)

Reports an error in "Human status criteria: Sex differences and similarities across 14 nations" by David M. Buss, Patrick K. Durkee, Todd K. Shackelford, Brian F. Bowdle, David P. Schmitt, Gary L. Brase, Jae C. Choe and Irina Trofimova (Journal of Personality and Social Psychology, Advanced Online Publication, May 28, 2020, np). In the article, the third sentence in the Content level subsection in the Status Criteria More Central to Women section of the Results should appear instead as Fidelity, chastity/purity, and long-term mating success increase women's status more than men's. A coding error in Figure 7 for Dishonoring Family appeared. The corrected Figure 7 now appears. (The following abstract of the original article appeared in record 2020-35662-001). Social status is a central and universal feature of our highly social species. Reproductively relevant resources, including food, territory, mating opportunities, powerful coalitional alliances, and group-provided health care, flow to those high in status and trickle only slowly to those low in status. Despite its importance and centrality to human social group living, the scientific understanding of status contains a large gap in knowledge-the precise criteria by which individuals are accorded high or low status in the eyes of their group members. It is not known whether there exist universal status criteria, nor the degree to which status criteria vary across cultures. Also unknown is whether status criteria are sex differentiated, and the degree of cross-cultural variability and consistency of sex-differentiated status criteria. The current article investigates status criteria across 14 countries (N = 2,751). Results provide the first systematic documentation of potentially universal and sex-differentiated status criteria. Discussion outlines important next steps in understanding the psychology of status. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

No Evidence for a Trade-Off Between Competitive Traits and Ejaculate Quality in Humans

Research in nonhuman animals (including insects, birds, and primates) suggests a trade-off in males between investment in competitive traits and investment in ejaculate quality. Previous research reported a negative association between perceived strength and ejaculate quality, suggesting that this trade-off also applies to human males. We conducted novel analyses of data secured as part of a larger project to assess the relationship between competitive traits (shoulder-to-hip ratio, handgrip strength, and height) and ejaculate quality (indexed by sperm morphology, sperm motility, and sperm concentration) in a sample of 45 men (ages ranging 18-33 years; M = 23.30, SD = 3.60). By self-report, participants had not had a vasectomy and had never sought treatment for infertility. We controlled for several covariates known to affect ejaculate quality (e.g., abstinence duration before providing an ejaculate) and found no statistically significant relationships between competitive traits and ejaculate quality; our findings therefore do not accord with previous research on humans. We highlight the need for additional research to clarify whether there is a trade-off between investment in competitive traits and investment in ejaculate quality in humans.

Human status criteria: Sex differences and similarities across 14 nations

[Correction Notice: An Erratum for this article was reported online in Journal of Personality and Social Psychology on Sep 7 2020 (see record 2020-68801-001). In the original article, the third sentence in the Content level subsection in the Status Criteria More Central to Women section of the Results should appear instead as Fidelity, chastity/purity, and long-term mating success increase women's status more than men's. A coding error in Figure 7 for Dishonoring Family appeared. The corrected Figure 7 now appears.] Social status is a central and universal feature of our highly social species. Reproductively relevant resources, including food, territory, mating opportunities, powerful coalitional alliances, and group-provided health care, flow to those high in status and trickle only slowly to those low in status. Despite its importance and centrality to human social group living, the scientific understanding of status contains a large gap in knowledge-the precise criteria by which individuals are accorded high or low status in the eyes of their group members. It is not known whether there exist universal status criteria, nor the degree to which status criteria vary across cultures. Also unknown is whether status criteria are sex differentiated, and the degree of cross-cultural variability and consistency of sex-differentiated status criteria. The current article investigates status criteria across 14 countries (N = 2,751). Results provide the first systematic documentation of potentially universal and sex-differentiated status criteria. Discussion outlines important next steps in understanding the psychology of status. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

Assessment of physical strength from gait: data from the Maasai of Tanzania

In industrialized societies, male gait provides information about physical strength. Male physical strength may be used by men and women to assess the fighting ability of rivals and the quality of potential mates, respectively. Women more than men discriminate between strong and weak walkers when assessing gait attractiveness. We presented videos of British men's gait-pre-categorized into strong and weak walkers-to male and female members ( n = 100) of the traditional Maasai in northern Tanzania in Africa. Maasai men and women judged the gaits of physically strong men less attractive than those of weak men and judged strong walkers to be weaker than weak walkers. These findings counter results from industrialized societies where participants accurately assessed strength from gait, thus arguing against a universal perception of physical strength from gait information.

Confirmatory Factor Analysis of the Coalitional Mate Retention Inventory (CMRI) and Evidence for Two Superordinate Domains

Abstract. The Coalitional Mate Retention Inventory (CMRI; Pham, Barbaro, Mogilski, & Shackelford, 2015 ) assesses the frequency with which individuals solicit allies to assist with mate retention efforts. The current study subjected the CMRI to confirmatory factor analyses (CFAs). A model comparison approach was employed using data from a large community sample of participants currently in a heterosexual romantic relationship ( n = 1,003, 54% male). The seven-factor structure of the CMRI demonstrates good model fit and provides significantly better fit than an alternative single-factor structure. The results also demonstrate that the seven tactics of the CMRI are subsumed by two superordinate domains of Benefit-Provisioning and Cost-Inflicting coalitional mate retention. Correlational analyses with the superordinate domains of coalitional mate retention are presented and highlight their predictive utility. We recommend the continued use of the CMRI in psychological research.