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Systematic reviews are a useful tool for decision makers because they identify relevant studies about the effectiveness of a policy or program of interest, assess the quality of the evidence from the relevant studies, and summarize the valid findings. Mathematica's Center for Improving Research...
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Educators and policymakers have long debated which textbooks and their associated instructional approaches have the greatest impact on student learning in key subjects. Mathematica’s large-scale federal study of the effectiveness of four early math programs brings new clarity to what works in...
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This paper explores how the design features of curriculum materials might influence potential opportunities to learn and student outcomes through a comparative, documentary analysis of four mathematics curricula commonly used in the United States.
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Read the final report from a large-scale, rigorous study examining how four math curricula affect achievement across two years—from first through second grades. The curricula were (1) Investigations in Number, Data, and Space; (2) Math Expressions; (3) Saxon Math; and (4) Scott...
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This appendix provides the details that underlie the analyses reported in the evaluation brief, “After Two Years, Three Elementary Math Curricula Outperform a Fourth.†The details are organized in six sections: Study Curricula and Design (Section A), Data Collection (Section B),...
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