Study Wilkening & McGranahan (1978): study US Wisconsin 1974
- Public:
- 18+ aged, general public, Wisconsin, USA, 1974
- Sample:
- Respondents:
- N = 534
- Non Response:
- Assessment:
- Interview: face-to-face
Correlate
- Authors's label
- Contact with friends
- Our Classification
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- Operationalization
- Single direct question:
1: less than once a week
2: once or more times a week
3: daily