Study Sacks et al. (2010): study ZZ World samples 2005
- Public
- 18+ aged general public, 131 nations 2005-2008
- Survey name
- INT-Gallup World Poll combined waves
- Sample
- Respondents
- N = 291383
- Non Response
- Assessment
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Multiple assesment methods
CATI in developed nations, mostly face-to-face in developing nations
Correlate
- Authors's Label
- Household income
- Our Classification
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- Operationalization