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As a concept with a tradition in both social and personality psychology, identity lends itself to a variety of interpretations. In the present analysis, identity refers to social categories in which an individual claims membership as well as the personal meaning associated with those categories. Four key issues for research are discussed: (a) the structure and interrelationships among multiple identities, (b) the several functions that identities serve, (c) the importance of context to the development and enactment of identities, and (d) the need for longitudinal studies of identity change.
Kay Deaux (Mon,) studied this question.