- 18+ aged, general public, 52 nations, 1981-2007
- N = 72000
- Non Response:
- Interview: face-to-face
- Authors's label
- Change average happiness
- Our Classification
- Average happiness in a nation assessed at:
T1: first survey
T2: last survey, at least 10 years later
Observed Relation with Happiness
-T1 GDP per capita
-T1 tolerance of outgroups
Similar outcome for O-Sum if additionally controlled for T1 national pride and T1-sense of free choice.
B's are positive: higher initial level at T1 (first survey) predicts higher level at T2 (last survey).
- GDP per capita
- national pride
- tolerance of outgroups
Negative B's mean that higher average happiness at T1 (first survey) predicts lower increase in average happiness between T2 (last survey) and T1.