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内容説明 Providing a comprehensive exploration of the major developments of social psychological theories that have taken place over the past half century， this innovative two-volume handbook is a state of the art overview of the primary theories and models that have been developed in this vast and fascinating field. Authored by leading international experts， each chapter represents a personal and historical narrative of the theory’s development including the inspirations， critical junctures， and problem-solving efforts that effected theoretical choices and determined the theory’s impact and its evolution. Unique to this handbook， these narratives provide a rich background for understanding how theories are created， nurtured， and shaped over time， and examining their unique contribution to the field as a whole. To examine its societal impact， each theory is evaluated in terms of its applicability to better understanding and solving critical social issues and problems.