It is widely believed that the demands of living in large, complexly bonded social groups
played a key role in the evolution of human cognition. This review focuses on a critical but …

Friendship is a fundamental part of being human. Understanding which cues indicate
friendship and what friendship entails is critical for navigating the social world. We survey …

Much information people receive about others reaches them via gossip. But is this gossip
trustworthy? We examined this in a scenario study (N senders= 350, N observations= 700) …

Even in our highly interconnected modern world, geographic factors play an important role
in human social connections. Similarly, social relationships influence how and where we …

Across two preregistered studies with children (3–12-year-olds; N= 356) and adults (N= 262)
from the United States, we find robust expectations for intergroup empathic biases …

Many influences shape mistrust. This book explores some social psychological processes
that explain how mistrust develops, and the effects that it has upon those who are mistrustful …

In a single experiment, we asked whether children would be more likely to accept blame for
another's transgression when the individual had previously told a prosocial lie that improved …

Problems of cooperation are frequent among living organisms, but they are difficult to solve.
Humans have been able to produce large-scale cooperation among unrelated individuals …

When people are asked to recommend individuals they care about, they often grapple with
conflicts regarding the level of honesty they should maintain when being truthful could …

Gossip allows children to effectively identify cooperative or trustworthy partners. However,
the risk of being deceived must be faced because gossip may be false. One clue for …