- 21-65 aged general public, City of Utrecht,The Netherlands, 1967
- N = 300
- Non Response:
- 14% unattainable etc.
- Authors's label
- Our Classification
- 1: 21-35
Observed Relation with Happiness
Stronger among those of lower educational level, in jobs that often ask hard physical
Females: G' = -.04 (ns)
U-shaped curve: females of age 35-49 being least happy.