„Among OECD countries, the strongest impact of socio-economic background on mathematics performance is found in Chile, France, Hungary and the Slovak Republic …“
OECD (Hrsg.), „Lessons from PISA 2012 for the United States“ (2013), S. 29
„Among OECD countries, the strongest impact of socio-economic background on mathematics performance is found in Chile, France, Hungary and the Slovak Republic …“
OECD (Hrsg.), „Lessons from PISA 2012 for the United States“ (2013), S. 29