Answer:-
Social Identity Theory, developed by Henri Tajfel and John Turner, explains how people define themselves based on group memberships. It suggests that individuals categorize themselves into groups (e.g., nationality, religion, or profession) to create a sense of belonging. This leads to an "us vs. them" mentality, where people favor their own group (ingroup) and may develop biases against others (outgroup). The theory highlights how social identity influences self-esteem, behavior, and group dynamics. It helps explain prejudice, discrimination, and group cohesion in society, showing how people derive pride and meaning from their social connections.
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