Textor summarizes cross-cultural findings on extramarital sexual relations pertaining to cultural, environmental, psychological, and social phenomena.

Textor summarizes cross-cultural findings on adolescence gender separation pertaining to cultural, environmental, psychological, and social phenomena.

Focusing on 61 preindustrial societies that have information on fertility, the author asks what factors may explain variation in fertility, what devices are used to control fertility, and whether differences in fertility appear to be in line with the societies' environments.

Textor summarizes cross-cultural findings on premarital sexual relations pertaining to cultural, environmental, psychological, and social phenomena.

Textor summarizes cross-cultural findings on polygyny pertaining to cultural, environmental, psychological, and social phenomena.

Textor encapsulates cross-cultural findings on marital residence relating to cultural, environmental, psychological, and social phenomena.

This chapter attempts to explain why the number, importance, and duration of food and sex taboos during pregnancy vary cross-culturally. The author hypothesizes that differences in child socialization will be associated with differences in food taboos, and differences in sexual behavior and sanctions will be associated with sex taboos. Results support the hypotheses.

This article examines three theories regarding the existence of pollution rules. Results show support for a psychological theory put forward by Freud that predicts a relationship between father-child contact, post-partum sex taboos, and menstrual taboos.

Textor summarizes cross-cultural male initiation rites findings pertaining to cultural, environmental, psychological, and social phenomena.

Humans, just like other mammals, tend to allow greater sexual freedom for men rather than women. Furthermore, females are burdened with the majority of parenting. Do parenting costs limit sexual unrestrictedness to a different degree for males and females? The authors find that across 48 cultures, as women’s parenting costs decreased through improved physiological and economic conditions, women’s sexual unrestrictedness increased.