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PISA 2015: In Canada, Israel, Korea, Luxemburg and the Russian Federation, more than half of the variation in mean performance is explained by parents’ levels of education ...

PISA 2015: „In Canada, Israel, Korea, Luxemburg and the Russian Federation, more than half of the variation in mean performance is explained by parents’ levels of education.“
OECD (Hrsg.), „Educational Opportunity for All“ (2017), S. 79