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Which of the following statements is true of activity theory?

In gerontology, psychosocial theories of aging examine how social and psychological factors influence adaptation in later life. One prominent model, activity theory, suggests that older adults achieve higher life satisfaction by remaining socially and physically active, a key principle that distinguishes it from other aging theories. This framework helps answer the question, "Which of the following statements is true of activity theory?" by highlighting its core tenets regarding social engagement and successful aging.