Using homicide rates as an indicator, this article examines the ecological factors that might be functioning as stressors in the environment of thirty-four East African tribes. A series of hypotheses dealing with the relationships between these stressors and tribal levels of aggressiveness are tested.

Using homicide rates as an indicator, this article examines the ecological factors that might be functioning as stressors in the environment of thirty-four East African tribes. A series of hypotheses dealing with the relationships between these stressors and tribal levels of aggressiveness are tested.

Using homicide rates as an indicator, this article examines the ecological factors that might be functioning as stressors in the environment of thirty-four East African tribes. A series of hypotheses dealing with the relationships between these stressors and tribal levels of aggressiveness are tested.

Using a sample derived from the available folk tale literature, researchers test whether the salience of color terms in folk tales follow the evolutionary sequence put forth by Berlin and Kay (1969). Results support the hypothesis.

This study proposes ways in which the environment may affect behavioral and psychocultural processes. Results provide moderate support for a relationship between climate and emotional expressiveness.

This article examines the relationship between social structures and sexual jealousy. Results suggest that social structures that emphasize the importance of pair-bonding, progeny, personal property, and exclusive marital sex relations are associated with sexual jealousy in males.

Examines the cross-cultural correlates of belief in a high god or supreme creator. The results are compared to and found to be inconsistent with the theoretical perspectives of Swanson (1960) and Durkheim (1912).

Examines the cross-cultural correlates of belief in a high god or supreme creator. The results are compared to and found to be inconsistent with the theoretical perspectives of Swanson (1960) and Durkheim (1912).

This study proposes ways in which the environment may affect behavioral and psychocultural processes. Results provide moderate support for a relationship between climate and emotional expressiveness.

This study proposes ways in which the environment may affect behavioral and psychocultural processes. Results provide moderate support for a relationship between climate and emotional expressiveness.