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Erklärendes Lehren ...

„On average across OECD countries, and after accounting for the socio-economic status of students and schools, students who reported that their teacher explains scientific ideas “in many lessons” or in “every lesson” score 28 points higher in science. […] However, students score somewhat lower in science when they reported that a whole class discussion occurs “in many lessons” or “every lesson”.“

OECD (Hrsg.), „PISA 2015 Results (Volume II): Policies and Practices for Successful Schools (2016), S. 65