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Direct linkDrent, Marjolein; Meelissen, Martina R. M.; van der Kleij, Fabienne M. – Journal of Curriculum Studies, 2013
Worldwide, the interest of policy-makers in participating in studies from the International Association for the Evaluation of Educational Achievement (IEA), such as Trends in International Mathematics and Science Study (TIMSS) has been growing rapidly over the past two decades. These studies offer the opportunity to relate the teaching and…
Descriptors: International Programs, Mathematics Achievement, Science Achievement, Data Analysis
Ritter, Gary W.; Barnett, Joshua H.; Denny, George S.; Albin, Ginger R. – Review of Educational Research, 2009
This meta-analysis assesses the effectiveness of volunteer tutoring programs for improving the academic skills of students enrolled in public schools Grades K-8 in the United States and further investigates for whom and under what conditions tutoring can be effective. The authors found 21 studies (with 28 different study cohorts in those studies)…
Descriptors: Tutors, Volunteers, Tutoring, Academic Achievement
