Study Ludwig (1970): study US 1965
- Public
- University students, University of Wisconsin, USA, 196?
- Sample
- Respondents
- N = 45
- Non Response
- Assessment
-
Questionnaire: Paper & Pencil Interview (PAPI)
Every night for 20 days.
Correlate
- Authors's Label
- Tranquility
- Our Classification
-
-
- Operationalization
- Repeated closed question on to what extent Ss felt like doing calm and tranquil things during the day, rated each night on q 4-point scale for at least 20 days.