Study Mellander et al. (2011): study ZZ 2009
- Public
- 15+ aged, 66 nations, 2009
- Survey name
- INT-GallupWorldPoll2009
- Sample
- Respondents
- N = 1000
- Non Response
- Assessment
-
Interview: telephone (CATI)
Interview: face to face in other countries
Correlate
- Authors's Label
- GDP per capita
- Our Classification
-
-
- Distribution
-
Cutoff low-/high-income US $11.000;
rich N = 23, poor N= 43. - Operationalization
Observed Relation with Happiness
Low-income countries M = 5.50 SD = 0.69
High-income countries M = 6.95 SD = 0.78
- difference -1.45