Correlate as named by investigatorPeople investigatedFinding
Middle school students, South Korea, 200?
Time spent with family, friends, and romantic partner
Undergraduate students, US, 199?
Structure of activities - services recieved
20-70 aged, chronic mental patients, USA, 1989
People in transition, metropolis,USA, 1969
Leisure time spent
11-19 aged highschool girls, Iran, 200?