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Download full textHong, Hee Kyung – Education Policy Analysis Archives, 2012
The purpose of this study was to simultaneously examine relationships between teacher quality and instructional time and mathematics and science achievement of 8th grade cohorts in 18 advanced and developing economies. In addition, the study examined changes in mathematics and science performance across the two groups of economies over time using…
Descriptors: Academic Achievement, Teacher Effectiveness, Science Achievement, Program Effectiveness
