Millennials commit less crime than prior generations

Crime has dropped since 1990, but not for the reasons some might think, according to a new study. Research from the LBJ School of Public Affairs at The University of Texas at Austin suggests crime reduction efforts account ...

Animal aggression depends on rank within social hierarchies

Humans and animals alike constantly size up one another. In the workplace, a new employee quickly learns which coworkers are the most respected—and therefore hold more power. Big brothers boss around little brothers. In ...

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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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