Study Veenhoven (1989b): study ZZ 1974
- Public
- 15+ aged, general public, 5 parts of the world, (55 countries), 1974-1976
- Sample
- Respondents
- N = 8433
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- GNP per capital
- Our Classification
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- Operationalization
- GNP data from the World Bank Atlas, 1977.