Study Harry (1976): study US 1973
- Public
 - 18+ aged males, living with family, USA, 1973
 - Sample
 - Respondents
 - N = 374
 - Non Response
 - Assessment
 - 
        Interview: face-to-face                    
Highly structured 
Correlate
- Authors's Label
 - Life cycle stage
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - - Single
- Married, no children
- Married, pre-school children
- Married, school-age children
- Married teenage children
- Married, children grown up
 
Observed Relation with Happiness
29% happy
35% happy
39% happy
41% happy
46% happy