- 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
- Projective happiness
- Our Classification
- Over-all score on a scheme of 15 posi- tive and 15 negative variables indica- tive of happy - unhappy themes, using stories that were told to the Standard Thematic Apperception Test cards (see Murray, 1943).