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| Warries, Egbert | 1 |
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Warries, Egbert – 1986
The paper gives Dutch results and possible implications of three recently completed international evaluation studies. School subjects were mathematics and science at the grade levels 8 and 9 in more than 500 schools. Effect and efficiency of teaching and textbooks in different school types, opportunity to learn, and students' classroom…
Descriptors: Academic Achievement, Classroom Environment, Effect Size, Foreign Countries
