Study Koivumaa-Honkanen (1998): study FI 1975
- Public:
- 18-64 aged adult twin pairs, Finland, 1975
- Sample:
- Respondents:
- N = 29444
- Non Response:
- 271
- Assessment:
-
Questionnaire: paper
Mailed questionnaire
Correlate
- Authors's label
- Interest in life
- Our Classification
-
-
- Operationalization
- Do you feel that your life at present is
5= very interesting
4= fairly interesting
3= cannot say
2= fairy boring
1= very boring