Study Symonds (1937): study US 1935
- Public:
- High school pupils and college students, USA, 193?
- Sample:
- Respondents:
- N = 1651
- Non Response:
- -
- Assessment:
- Questionnaire: paper
Correlate
- Authors's label
- Having problems withrecreation
- Our Classification
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-
- Operationalization
- Closed question