Study Wessman & Ricks (1966): study US 1957 /1
- 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
- Energy vs fatigue
- Our Classification
- See WESSM 1966/1
Observed Relation with Happiness
Daily highest : r = +.76 (05)
Daily average : r = +.75 (05)
Daily lowest : r = +.02 (ns)