- Adults, general public, Los Angeles County, USA, 1972-1973
- N = 1000
- Non Response:
- 20% in 1972 and 23% in 1973.
- Questionnaire: paper
- Authors's label
- Our Classification
- Years of schooling completed.
Observed Relation with Happiness
Index of Negative Affects: r = -.07 (05)
Index of Negative Affects: r = -.01 (ns)