Reputation and reciprocity are key mechanisms for cooperation in human societies, often
going hand in hand to favor prosocial behavior over selfish actions. Here we review recent …

Theoretical models suggest that gratitude is linked to increased prosociality. To date,
however, there is a lack of a comprehensive quantitative synthesis of results to support this …

COVID-19 prevention behaviors may be seen as self-interested or prosocial. Using
American samples from MTurk and Prolific (total n= 6850), we investigated which framing is …

Objective Fake news represents a particularly egregious and direct avenue by which
inaccurate beliefs have been propagated via social media. We investigate the psychological …

Although theory suggests individuals are more willing to incur a personal cost to benefit
ingroup members, compared to outgroup members, there is inconsistent evidence in support …

Most vaccines protect both the vaccinated individual and the society by reducing the
transmission of infectious diseases. In order to eliminate infectious diseases, individuals …

“Surprising and remarkable… Toggling between big ideas, technical details, and his
personal intellectual journey, Greene writes a thesis suitable to both airplane reading and …

Abstract Third-party punishment (TPP),,,,,,, in which unaffected observers punish selfishness,
promotes cooperation by deterring defection. But why should individuals choose to bear the …

Why should you help a competitor? Why should you contribute to the public good if free
riders reap the benefits of your generosity? Cooperation in a competitive world is a …

More than half a century of cross-cultural research has demonstrated group-level differences
in psychological and behavioral phenomena, from values to attention to neural responses …