Study Veenhoven (2005d): study ZZ EU 14 1970
- Public
 - 15+ aged, general public, EU 14 member states, 1973-2001
 - Sample
 - Respondents
 - N = 374000
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Trend in life-satisfaction
 - Our Classification
 - 
            
 - 
                        
 - Remarks
 - Level of happiness measured using the average. Inequality of happiness measured using the standard deviation.
 - Operationalization
 - Selfreport on single question:
On the whole how satisfied are you with the life you lead?
4 very satisfied
3 fairly satisfied
2 not very satisfied
1 not at all satisfied
- Don't know 
Observed Relation with Happiness
Southern EU countries: rising level, strong decline of dispersion in happiness