who first wrote the activity theory of aging
The activity theory, also known as the implicit theory of ageing, normal theory of ageing, and lay theory of ageing, proposes that successful aging occurs when older adults stay active and maintain social interactions.he activity theory rose in opposing response to the disengagement theory. The activity theory and the disengagement theory were the two major theories that outlined successful aging in the early 1960s. The theory was developed by Robert J. Havighurst in 1961.