Study Layard et al. (2009): study US 1972
- Public
- 30-55 aged white males, United States, 1972-2006
- Survey name
- US-GSS
- Sample
- Respondents
- N = 14836
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- Happiness over time
- Our Classification
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- Operationalization