The strength of sexual selection on secondary sexual traits varies depending on prevailing economic and ecological conditions. In humans, cross-cultural evidence suggests women’s preferences for men’s testosterone dependent masculine facial traits are stronger under conditions where health is compromised, male mortality rates are higher and economic development is higher. Here we use a sample of 4483 exclusively heterosexual women from 34 countries and employ mixed effects modelling to test how social, ecological and economic variables predict women’s facial masculinity preferences. We report women’s preferences for more masculine looking men are stronger in countries with higher sociosexuality and where national health indices and human development indices are higher, while no associations were found between preferences and indices of intra-sexual competition. Our results show that women’s preferences for masculine faces are stronger under conditions where offspring survival is higher and economic conditions are more favorable.
Previous research has demonstrated that parents and children often have conflicting mate preferences. The present research was conducted among 443 Japanese university students. Using an existing scale designed to uncover parentoffspring conflict over mate choice, the results revealed that children perceived having a potential partner with traits connoting poor genetic quality as being more unacceptable to themselves, and having a potential partner with traits connoting low parental investment and cooperation with the ingroup as being more unacceptable to their parent. A number of sex differences emerged. The highest potential for parentoffspring conflict existed between female offspring and their father, and female offspring also rated traits connoting low social status as being more unacceptable to their parents, particularly to the father.
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