Female genital mutilations within Africa are associated with strong fraternal interest groups, virginity tests, and conservative permarital sex norms. Codes and ratings for female genital mutilations, virginity tests, premarital sex norms, and female initiation rites are presented in this article.

Female genital mutilations within Africa are associated with strong fraternal interest groups, virginity tests, and conservative permarital sex norms. Codes and ratings for female genital mutilations, virginity tests, premarital sex norms, and female initiation rites are presented in this article.

Female genital mutilations within Africa are associated with strong fraternal interest groups, virginity tests, and conservative permarital sex norms. Codes and ratings for female genital mutilations, virginity tests, premarital sex norms, and female initiation rites are presented in this article.

Female genital mutilations within Africa are associated with strong fraternal interest groups, virginity tests, and conservative permarital sex norms. Codes and ratings for female genital mutilations, virginity tests, premarital sex norms, and female initiation rites are presented in this article.

Feuding and other responses to malfeasance are examined cross-culturally. The geographic distribution of responses are presented and odds ratios/logistic regression models are employed in analyzing the effect of socio-economic, historical and ecological variables on responses to malfeasance. Codes are included.

Feuding and other responses to malfeasance are examined cross-culturally. The geographic distribution of responses are presented and odds ratios/logistic regression models are employed in analyzing the effect of socio-economic, historical and ecological variables on responses to malfeasance. Codes are included.

Feuding and other responses to malfeasance are examined cross-culturally. The geographic distribution of responses are presented and odds ratios/logistic regression models are employed in analyzing the effect of socio-economic, historical and ecological variables on responses to malfeasance. Codes are included.

Feuding and other responses to malfeasance are examined cross-culturally. The geographic distribution of responses are presented and odds ratios/logistic regression models are employed in analyzing the effect of socio-economic, historical and ecological variables on responses to malfeasance. Codes are included.

The researchers develop and compare two evolutionary models to evaluate the association between social stratification and female genital modification(FGMo) in a cross-cultural African sample, theorizing that social hierarchy creates competition for high-value males in which FGMo acts as a costly demonstration of paternity certainty. Although the null model outperforms the stratification model when applied to empirical data, an association between FGMo and stratification is found in the expected direction. The authors suggest that while stratification may be an important factor in the de novo origins of FGMo, spread and persistence of the practice subsequently become more heavily dependent on other selective forces.