Study Koczan (2013a): study DE 1984 /1
- Public
 - 16+ aged immigrants, Germany, followed 1-26 years, 1984-2010
 - Survey name
 - DE-SOEP
 - Sample
 - Respondents
 - N = 3741
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Years since migration
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - M= 34 years
 - Operationalization
 - Self-report on single question:
Question not reported 
Observed Relation with Happiness
- Age
- Gender
- Years of education
- Marital status
- Immigrant status
- Employed
- Works in occupation trained for
- House ownership
- Parental education
- Urban/rural childhood
- Health
- Identity
- German citizenship
- Speaks German
- Writes German" -1 0 0 0