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What Works Clearinghouse, 2015
The What Works Clearinghouse (WWC) Standards Briefs explain the rules the WWC uses to evaluate the quality of studies for practitioners, researchers, and policymakers. This brief explains what baseline equivalence is and why it matters. As part of the WWC review process for certain types of studies, reviewers assess whether the intervention group…
Descriptors: Control Groups, Participant Characteristics, Matched Groups, Research Methodology
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What Works Clearinghouse, 2014
The 2013 study, "Evaluation of the College Possible Program: Results From a Randomized Controlled Trial", investigated the effect of the "College Possible" program, which is designed to serve low-income high school students by providing SAT/ACT test preparation, financial aid consulting, and college admissions guidance in an…
Descriptors: Program Evaluation, Regression (Statistics), Low Income, High School Students
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What Works Clearinghouse, 2011
The study examined the effect of charter school attendance on annual student achievement growth in math and reading. The research described in this report meets WWC evidence standards with reservations. WWC Rating Strengths: The study matched charter school students with similar students in traditional public schools using demographic and academic…
Descriptors: Mathematics Achievement, Reading Achievement, Charter Schools, Attendance
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P. Schochet; T. Cook; J. Deke; G. Imbens; J. R. Lockwood; J. Porter; J. Smith – What Works Clearinghouse, 2010
Regression discontinuity (RD) designs are increasingly used by researchers to obtain unbiased estimates of the effects of education-related interventions. These designs are applicable when a continuous "scoring" rule is used to assign the intervention to study units (for example, school districts, schools, or students). Under an RD…
Descriptors: Educational Research, Intervention, Matched Groups, Bias
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What Works Clearinghouse, 2010
The study, "Multiple Choice: Charter School Performance in 16 States" examined the effect of charter school attendance on annual student achievement growth in math and reading. The study analyzed data on a large sample of students in grades 1 through 12 who were attending charter schools and traditional public schools in 16 states. The…
Descriptors: Charter Schools, School Effectiveness, Attendance, Mathematics Achievement