Study Gerlach & Stephan (1996): study XZ Germany West 1984
- Public
 - 16-65 aged, general public, Germany, followed from 1984 to1993
 - Sample
 - Respondents
 - N = 54066
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Age
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - N: <30 = 15979; 30-49 = 23124; >49 = 14963
 - Operationalization
 - 1 <30
2 30-49
3 >49 
Observed Relation with Happiness
M SD M SD
<30 7,3 1,8 7,3 1,8
30-49 7,3 1,8 7,2 1,8
>49 7,3 1,9 7,2 2,0