Prosocial Development | The Oxford Handbook of Developmental Psychology, Vol. 2Self and
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Humans are an intensely social species, frequently performing costly behaviors that benefit
others. Efforts to solve the evolutionary puzzle of altruism have a lengthy history, and recent …

Human beings are an incredibly social species and along with eusocial insects engage in
the largest cooperative living groups in the planet's history. Twin and family studies suggest …

Altruistic behavior improves the welfare of another individual while reducing the altruist's
welfare. Humans' tendency to engage in altruistic behaviors is unevenly distributed across …

William D. Hamilton postulated the existence of 'genes underlying altruism', under the rubric
of inclusive fitness theory, a half-century ago. Such genes are now poised for discovery. In …

Highlights•Genetic studies of morality have overwhelmingly focused on prosociality (PS).•PS
is multidimensional, with affective, cognitive, and behavioral components.•Heritable …

'In the past decade there has been an explosion of research into the psychology of well-
being. While we know that psychological well-being is partly heritable, it is only recently that …

Human beings are an extraordinarily altruistic species often willing to help strangers at a
considerable cost (sometimes life itself) to themselves. But as Darwin noted “… he who was …

Why do humans cooperate and often punish norm violations of others? In the present study,
we sought to investigate the genetic bases of altruistic punishment (AP), which refers to the …

Need for Cognition (NFC) is conceptualized as an individuals' tendency to engage in and
enjoy effortful cognitive activity and, thus, captures one's cognitive engagement. It plays a …