Group (psychology)

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In social psychology, a group can be defined as two or more humans who 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/or kinship ties. According to Hare, the defining characteristic of a group is social interaction.^[1]

• Group (sociology) (Wikipedia)
• Groups and leadership (Lecture)

• Group polarisation
• Prisoners' dilemma (Wikipedia)
• Social loafing
• Social facilitation