Study Veenhoven & Ehrhardt (1995): study ZZ World samples 1985
- Public
- University students, 39 nations around 1985
- Sample
- Respondents
- N = 18032
- Non Response
- Assessment
-
Questionnaire: Paper & Pencil Interview (PAPI)
Questionnaire completed in class
Correlate
- Authors's Label
- real income per capita
- Our Classification
-
-
- Remarks
- Source: Summers, R. And A. Heston 1988: National Income and Wealth 34, pp 1-25
- Operationalization