This article refines previous research on marriage transactions and offers descriptions of new types of marriage transactions. First, the authors examine the frequency and distribution of marriage transactions. Second,the authors use a bio-cultural approach to examine how differences in male and female reproductive strategies and the kin selection theory are associated with marriage transactions.

This study investigates the conceptual frameworks involved in infanticide. Authors first examine data on infanticide and birth ceremonies, particularly the timing of these events and the infant and adult involved in each. Authors also examine reasons for performing infanticide, including illegitimacy, unwanted children, and excess children, finding them similar to reasons for performing abortion. Population control and implications for children's and women's status are also discussed.

This study examines the variability of siestas across cultures and considers how factors including climate, subsistence type, and disease susceptability relate to the presence or absence of siestas. The author finds a significant relationship between siestas and the presence of malaria.

Using an evolutionary perspective, this study tests hypotheses relating gender and kinship roles to the amount of direct and indirect care provided during and around childbirth. The roles of paternal certainty, residence rules and descent groups are also examined.

This article uses signaling theory and tests for a relationship between costly male rites and frequency of warfare.

This article examines socialization for cooperation as a function of economic production. The author theorizes that in societies where large amounts of food production labor must be accomplished quickly, there is a higher cultural value placed on cooperation.

A restudy of Naroll's (1962) measure of dwelling floor area using theory that it is predicted by the basic needs for protection from climate and crowding. This theory is not supported by the findings but Brown posits a new average for estimating floor area in dwellings based on his sample.

This study focuses on apology as a mechanism for dispute management in relation to hierarchy and child socialization. Significant associations exist between both large, paramount chiefdoms and apology and between adults as caretakers in early childhood and apology.

This study provides a cross-cultural examination of the definitions of old age. Further research on these definitions and their implications is suggested.

This article explores the factors that predict rituals of conflict. Hypotheses are derived from Gluckman's analysis of Southeast African rituals of rebellion and are tested against a cross-cultural sample.