INTRODUCTION We apply capital interplay theory to health inequalities in Switzerland by investigating the interconnected effects of parental cultural, economic and social capitals and personal educational stream on the self-rated health of young Swiss men who live with their parents. METHODS We apply logistic regression modelling to self-rated health in original cross-sectional survey data co...

An extensive survey data set of Brazilian households is used to test whether intrahousehold gender bias affects the decisions of mothers and fathers to send their sons and daughters to work and to school. An intrahousehold allocation model is examined in which fathers and mothers may affect the education investment and the child labor participation of their sons and daughters differently becaus...

In this article, we examine how the rising proportion of academic families across cohorts affects sons’ and daughters’ tertiary educational attainment in process expansion. Using data from National Educational Panel Study (NEPS), focus on West Germany whether upgrading composition has particularly contributed to daughters catching up with even overtaking sons over time, or have benefited equall...

Abstract In cooperatively breeding species, the presence of male helpers in a group often reduces female’s fidelity to her social partner, possibly because there is more than one potential sire group. Using long-term study superb fairy-wrens (Malurus cyaneus) and records paternity 1936 broods, we show that effect on rates extrapair varied according helpers’ relatedness female. The unrelated inc...

BACKGROUND A cultural preference for sons has been well documented in India, resulting in skewed sex ratios, especially exhibited in northwest India. Previous research has shown that family sex composition is associated with family planning (FP) use and couples' desire for more children. This study examines family sex composition and fertility and FP behaviors in urban Uttar Pradesh, India; lit...

Background: The sexually selected sperm hypothesis predicts that selection will favour female multiple mating by increasing the sperm competitive abilities of their sons. Hypothesis: Sons of multiply mated females should have higher sperm competitive abilities than sons of singly mated females. Organism: The bulb mite, Rhizoglyphus robini (Acari: Acaridae). Methods: Rhizoglyphus is a highly pro...

This article seeks to make three separate contributions to the anthropological study of culture. Metatheoretically, it presents an evolutionary psychological perspective within which to study culture and generate specific theories of the origins, constancy, and variations in human culture. Theoretically, it provides a concrete evolutionary psychological theory of son-daughter preference: why pe...