- 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
- Receptivity towards the world
- Our Classification
- See WESSM 1966/1
Observed Relation with Happiness
Daily highest : r = +.77 (05)
Daily average : r = +.89 (05)
Daily lowest : r = +.37 (ns)