Hunter-gatherers agree on what is moral, but not who is moral

Morality plays a role in everyday lives, from interactions with friends and strangers, to political views and social influences. Social psychologists from the University of Pennsylvania wanted to know whether there was a ...

Social media in a repressive society

Social media is affecting all our lives in ways we are only just beginning to recognize, whether it is the simple, but constant preoccupation many people have with sharing their digital lives or connecting with friends and ...

Perception biases in social networks

The result of the 2016 US presidential election was, for many, a surprise lesson in social perception bias—peoples' tendency to assume that others think as we do, and to underestimate the size and influence of a minority ...

Flies may also spread disease among monkeys and apes

People the world over have a good sense that flies are filthy and that we do not want them landing on our food during our summer picnics. Research has justified that disgust, showing that flies associated with humans and ...

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Social group

A group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group, though most social groups are considerably smaller.

A true group exhibits some degree of social cohesion and is more than a simple collection or aggregate of individuals, such as people waiting at a bus stop. Characteristics shared by members of a group may include interests, values, ethnic or social background, and kinship ties. According to Paul Hare, the defining characteristic of a group is social interaction.

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