Denise retired from her job as a librarian in her local school district. she loved seeing the children every day. now that she is retired, she has decided to volunteer at her local library leading story times for preschoolers. what theory of social interaction and elders' psychological functioning is she demonstrating?

The scenario in which Denise who retired from her job as a librarian in her local school district has decided to volunteer at her local library leading story times for preschoolers is demonstrating activity  theory of social interaction and elders' psychological functioning. According the activity theory the more physically and socially active and involved adults are, the more likely they are to be satisfied with life.