Do acts of kindness improve the well-being of the actor? Recent advances in the
behavioural sciences have provided a number of explanations of human social, cooperative …

We review emerging research on the psychological and biological factors that underlie
social group formation, cooperation, and conflict in humans. Our aim is to integrate the …

Abstract Morality-as-Cooperation (MAC) is the theory that morality is a collection of
biological and cultural solutions to the problems of cooperation recurrent in human social …

Psychology of Prejudice and Discrimination provides a comprehensive and compelling
overview of what psychological theory and research have to say about the nature, causes …

Person-based factors influence a range of meaningful life outcomes, including intergroup
processes, and have long been implicated in explaining prejudice. In addition to …

The psychology of group identification is central to the study of political behavior. The
conditions under which group identities become politicized, the psychology underlying this …

Intergroup discrimination can be defined broadly as differential treatment of individuals
based on social category membership. In many contexts, discrimination takes the form of …

The human brain responds more strongly to racial ingroup than outgroup individuals' pain.
This racial ingroup bias varies across individuals and has been attributed to social …

Using a representative sample of Belgian adolescents (N= 1530) and both their parents, we
investigated the parent–child similarity in prejudice towards different out–groups and …

In recent years, research has demonstrated that the basic features of prejudice and
discrimination emerge early in children's development. These discoveries call into question …