Comprehensive School Reform and Achievement: A Meta-Analyis
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This manuscript reviews research on achievement effects of “whole-school” or “comprehensive” reforms. In addition to reviewing the overall achievement effects of comprehensive school reform (CSR), the article analyzes effects of 29 of the most widely implemented models and how various CSR components, contextual factors, and methodological f...

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Effects of Sample Size on Effect Size in Systematic Reviews in Education
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This study uses data from reviews of evaluations of elementary and secondary mathematics programs to explore the effects of sample size on effect size in program evaluations. There is evidence suggesting that studies with small sample sizes tend to have much larger, positive effect sizes. The issue of large effect sizes in small studies is importan...

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Effective Programs in Middle and High School Mathematics: A Best-Evidence Synthesis
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In an effort to provide educators with information that they can use to select programs most likely to make a difference for their students’ achievement especially on standardized tests and in seeking to identify common characteristics of programs that have the potential to make a difference in student mathematics achievement, this article review...

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Project vs. Problem Based Learning


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What makes professional development effective?
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The "high quality" in professional development is important to both those who provide and those who seek professional development. The following article provides insights into the practices supported by meaningful empirical research. This study used a quantitative analysis based on a large-scale national probability sample of mathematics and scienc...

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Improving High School Student Success in Mathematics
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This is a summary introduction the attached research brief.

Research abounds with findings that promise meaningful mathematics improvements for urban high schools. Often the weakest students in mathematics are minorities from low-income households who speak a home language other than English. Among the root causes of high school mathematics failu...

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