Study Veenhoven & Ehrhardt (1995): study ZZ 1980
- Public
- Adults, general public, 32 countries, around 1980
- Sample
- Respondents
- N = 35000
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- Political democracy
- Our Classification
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- Remarks
- Source: Estes, R,J.: 1984, The social Progress of Nations. Pp 175-187
- Operationalization