Study Veenhoven (2005c): study ZZ 1973
- Public:
- Adults, general public, EU 8 member states, USA and Japan, 1973-2002
- Sample:
- Respondents:
- N = 300000
- Non Response:
- Assessment:
- Interview: face-to-face
Correlate
- Authors's label
- Trend Happy Life Years 1973-2002
- Our Classification
-
-
- Operationalization
- Yearly change 1973-2002
Observed Relation with Happiness
B CI95
B is average yearly change in happy life years years