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

Extensive cooperation among unrelated individuals is unique to humans, who often sacrifice
personal benefits for the common good and work together to achieve what they are unable …

Cooperation is widespread in nature, occurring in every taxa on Earth. Nevertheless, the
contexts in which cooperation occurs—and the forms it takes—vary widely. In this Review …

The motivation to build and maintain a positive personal reputation promotes prosocial
behavior. But individuals also identify with their groups, and so it is possible that the desire …

The allocation of resources to a peer partner is a prosocial act that is of fundamental
importance. Joint rhythmic movement, such as occurs during musical interaction, can induce …

Desirable resources are crucial for incentivized tasks of prosocial behavior.
Developmentalists have often used tangible items, such as candy or stickers, as the …

During adolescence social-interactions with other people become more relevant. One key
aspect of these interactions is cooperative behavior. Cooperation relies on a set of cognitive …

A complex web of social and moral norms governs many everyday human behaviors, acting
as the glue for social harmony. The existence of moral norms helps elucidate the …

The aim of this study is to verify whether a human can detect the social dilemma class and its
strength for four various games: Prisoner's dilemma, Trivial, Chicken, and Stag-Hunt by …

We conduct a laboratory experiment to investigate the evolution of altruism and strategic
giving from childhood to adulthood. 334 school-age children and adolescents (from K to …