- Highschool pupils, rural area, followed 25 years, Pennsylvania, USA, 1946-71
- N = 2081
- Non Response:
- Interview: face-to-face
- Authors's label
- Population size
- Our Classification
- Population size of subject's residence at T2 (1971). Obtained from 1970 Census. Converted to logarithm for analysis.
Observed Relation with Happiness
ß controlled for father's occupation, highschool grade point average and education.