- 11,13 and 15 aged, school children, 33 countries and regions, 2001
- N = 162306
- Non Response:
Specially trained personnel, teachers and school nurses administered the completion of questionnaires in school classrooms.
- Authors's label
- Academic achievement
- Our Classification
- Self report on single question:
In your opinion, what does your class teacher(s) think about
your school performance compared to your classmates?
4 very good
1 below average.
Observed Relation with Happiness
Boys : rs = +.19