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
-
-
- 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