Study Veenhoven & Verkuyten (1989): study NL 1986
- Public:
- Secondary school pupils, The Netherlands, 1986
- Sample:
- Respondents:
- N = 2511
- Non Response:
- Assessment:
-
Questionnaire: paper
Questionnaire completed in class
Correlate
- Authors's label
- only children
- Our Classification
-
-
- Operationalization
- 0 with siblings
1 without siblings
Observed Relation with Happiness
without siblings: M = 7.5
Difference +0.2
without siblings: M = 1.7
Difference +0.1