- Public highschool boys followed 3 years from grade 10, USA, 1966-69
- N = 1799
- Non Response:
- 2.8% incomplete information in 1966
Interviews, test, teacher ratings.
- Authors's label
- Earlier Happiness
- Our Classification
- Six item index of closed questions:
"Describe the kind of person you are.
1. I feel like smiling
2. I generally feel in good spirits
3. I feel happy
4. I am satisfied with life
5. I find a good deal of happiness in
6. I feel sad"
Scored: almost always true, often true,
sometimes true,seldom true, never true
T1 Fall 1966
T2 Spring 1968
T3 Spring 1969