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Hong, 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
Barton, Paul E.; Coley, Richard J. – 1998
The Third International Mathematics and Science Study disclosed that while U.S. students did well in the fourth grade in comparison with students from other countries, they had slipped considerably by eighth grade. This study was conducted to see what could be learned about achievement growth between grades 4 and 8. Achievement growth was…
Descriptors: Achievement Gains, Cohort Analysis, Educational Trends, Elementary Education
Martin, Michael O.; Mullis, Ina V. S.; Foy, Pierre; Stanco, Gabrielle M. – International Association for the Evaluation of Educational Achievement, 2012
For more than 50 years, the International Association for the Evaluation of Educational Achievement (IEA) has been conducting comparative studies of educational achievement in a number of curriculum areas, including mathematics and science. TIMSS 2011 represents the fifth cycle of the Trends in International Mathematics and Science Study (TIMSS),…
Descriptors: Science Achievement, Comparative Education, Educational Trends, Trend Analysis