Why do people engage in costly cooperation with unknown others that they will never meet again? Answers to this evolutionary puzzle emphasize the role of indirect reciprocity (i.e., cooperation through reputation), whereby cooperation is not reciprocated by the recipient but by other members of...

Transgressions and injustice are an inevitable part of social life, both in interactions between individuals and between groups. But whereas conflict between individuals typically impacts only few, conflict between groups can be harmful to many – as is illustrated by disputes between nations,...

The current research addresses the psychological benefits of superstitious rituals in top sport, examining the circumstances under which top-class sportsmen are especially committed to enacting rituals prior to a game (ritual commitment). Consistent with hypotheses, findings revealed that ritual...

The COVID-19 pandemic represents a massive global health crisis. Because the crisis requires large-scale behaviour change and places significant psychological burdens on individuals, insights from the social and behavioural sciences can be used to help align human behavior with the...