- Male college students, followed 3 years, Harvard University, USA, 1957-60
- N = 17
- Non Response
- 37%: 9 dropouts, incomplete; about the same happiness distribution.
Multiple assesment methods
Mood diary kept 30 days and repeated interviews and tests during three years.
- Authors's Label
- Valuation of happiness
- Our Classification
- Scale, containing agree / disagree statements.
Observed Relation with Happiness
The less happy tended to agree with statements to the effect: 'Only cows are contented', 'Most people who say they are happy close their eyes to the sufferings of the world', and 'I don't want to be happy: I want to be utterly alive'.