- Male college students, followed 3 years, Harvard University, USA, 1957-60
- N = 17
- Non Response:
- 37%: 9 dropouts, incomplete; about the same happiness distribution.
Mood diary kept 30 days and repeated interviews and tests during three years.
- Authors's label
- Consistent (dis)- agreeing response tendencies
- Our Classification
- Over-all agreement score (see Couch & Keniston, 1960), indicative of 'yea saying' or 'nay saying'.