- 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
- Test dishonesty
- Our Classification
- MMPI Lie Scale (See Gough, 1953), scored on a series of 'false' answers to questions that usually are answered 'true'.