Using a psychoanalytic-materialist approach, the author examines the possible effects of environmental unpredictability on the prevalence of unprovoked aggression by characters in folktales.

Using a psychoanalytic-materialist approach, the author examines the possible effects of environmental unpredictability on the prevalence of unprovoked aggression by characters in folktales.

This study is a reexamination of Bacon's (1965) previous cross-cultural study regarding drinking. The current study supports the dependency-conflict hypothesis that frequency of drunkenness is related to dependency needs in childhood and adulthood.

Previous studies have yielded contradictory results on the relationship between population size and cultural evolution. Focusing on tool complexity these authors introduce the risk of resource failure as a possible confounding variable. They conclude that population does not predict tool kit complexity when controlling on other factors. There were significant correlations between tool kit complexity and some of the resource measures.

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 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 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.

By better understanding the factors influencing adult height in modern populations, the authors hope to generate a testable hypothesis to determine the factors affecting body size during hominin evolution. The authors employ an exploratory linear regression model to test the effects of mortality, environment, and subsistence strategy on adult height among traditional small scale human societies. They found that mortality rates were the most significant predictor of adult height and that people living in savanna environments are consistently taller.

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 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.