This article evaluates theories of the origins of sex differences in human behavior. It reviews
the cross-cultural evidence on the behavior of women and men in nonindustrial societies …

Despite a long history of study, consensus on a human-typical mating system remains
elusive. While a simple classification would be useful for cross-species comparisons, across …

W hat individual differences in gender are important to study? Because gender refers to the
cultural meanings ascribed to male and female social categories in societies, psychologists …

Referential models based on extant African apes have dominated reconstructions of early
human evolution since Darwin's time. These models visualize fundamental human …

Sexual dimorphism is a pervasive phenomenon among anthropoid primates. Comparative
analyses over the past 30 years have greatly expanded our understanding of both variation …

Reconstructing the transition to bipedality is key to understanding early hominin evolution.
Because it is the best‐known early hominin species, Australopithecus afarensis forms a …

Human cognitive abilities are extraordinary. Our large brains are significantly modified from
those of our closest relatives, suggesting a history of intense natural selection. The …

Sex differences in mortality rates stem from genetic, physiological, behavioral, and social
causes that are best understood when integrated in an evolutionary life history framework …

The substantial fossil record for Australopithecus afarensis includes both an adult partial
skeleton [Afar Locality (AL) 288-1,“Lucy”] and a large simultaneous death assemblage (AL …

Objective. To develop an evolutionary model that integrates human parenting and family
formation with ideas about the evolved functions of distinctive human characteristics, such …