Study VanVaalen (2010): study NL 2009
- Public:
- Schoolchildren aged 9-12, the Netherlands, 2009
- Sample:
- Respondents:
- N = 718
- Non Response:
- Assessment:
-
Questionnaire: paper
Questionnaire completed in class
Correlate
- Authors's label
- School size
- Our Classification
-
-
- Operationalization
- 1 Small school < 251 children
2 Big school > 251 children
Observed Relation with Happiness
1 small 81 %
2 Big 88 %
Difference -7 %