This article presents theory and hypothesis tests that suggest that the decline of women's contribution to intensive agriculture is related to increases in fertility and domestic work associated with cereal crops. Additionally, men in agricultural societies are less likely to invest time in hunting and warfare, so their contribution of agricultural labor relative to women's increases.

Causal factors to the development of crime are examined. Frequency of theft and personal crime are tested against these causal factors in a search for correlations.

Author proposes and presents evidence in support of the theory that most societies practice virilocal or patrilocal residence (this is the "normal" pattern" and that matrilocal residence is adopted when societies migrate to an already populated area.

This article presents theory and hypothesis tests that suggest that the decline of women's contribution to intensive agriculture is related to increases in fertility and domestic work associated with cereal crops. Additionally, men in agricultural societies are less likely to invest time in hunting and warfare, so their contribution of agricultural labor relative to women's increases.

This article uses social-psychological theory to enhance understanding of political anthropology. The author hypothesizes that class structure will be associated with supra-community political integration. This hypothesis is supported.

This article explores ecological, religious, and social correlates of human sacrifice and cannibalism in a cross-cultural sample. Support is found for associations between human sacrifice and population density, population pressure, war for land and resources, and a low hierarchical focus of religion. Human sacrifice among Aztecs is given particular attention.