Study Jol (1985a): study NL 1974
- Public
 - 18+ aged, general public, The Netherlands, 1974-1983
 - Sample
 - Respondents
 - N = 4000
 - Non Response
 - 1974: 28%, 1983: 43%
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Age
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 
Observed Relation with Happiness
ß controlled for sex.