Social norms are the glue that holds society together, yet our knowledge of them remains
heavily intellectually siloed. This article provides an interdisciplinary review of the emerging …

Humans are an ultrasocial species. This sociality, however, cannot be fully explained by the
canonical approaches found in evolutionary biology, psychology, or economics …

INTRODUCTION A growing body of research suggests that populations around the globe
vary substantially along several important psychological dimensions and that populations …

Experimental games model situations in which the future outcomes of individuals and
groups depend on their own choices and on those of other (groups of) individuals. Games …

Marking a decade since the publication of “The weirdest people in the world,” this special
issue is dedicated to exploring how to improve the quality of the science produced by the …

Psychology has traditionally seen itself as the science of universal human cognition, but it
has only recently begun seriously grappling with cross-cultural variation. Here we argue that …

Cooperation within and across borders is of paramount importance for the provision of
public goods. Parochialism–the tendency to cooperate more with ingroup than outgroup …

A fundamental puzzle of human evolution is how we evolved to cooperate with genetically
unrelated strangers in transient interactions. Group-level selection on culturally differentiated …

This paper proposes a new framework for studying the interplay between culture and
institutions. We follow the recent sociology literature and interpret culture as a" repertoire" …

Most moral psychology research has been conducted in Western, Educated, Industrialized,
Rich, and Democratic (WEIRD) societies. As such, moral judgment, as a psychological …