Study Costa & McCrae (1980): study US 1976
- 35-85 aged white males (largely veterans), USA, 1976
- N = 1100
- Non Response
- T1:21%; T2:18%; T3:27%; T4:46%
Questionnaire: Paper & Pencil Interview (PAPI)
Mailed questionnaire att intervals of 3 months
- Authors's Label
- Life satisfaction
- Our Classification
- Life Satisfaction Index. 9-item index of closed questions about satisfaction with
f: getting along with others
i: religious faith:
Each rated on a 5-point scale.
Observed Relation with Happiness
Happiness (Hedonic level) sum of scores at T1, T2, T3, and T4 (3 month-intervals).