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Kautz, Tim; Schochet, Peter Z.; Tilley, Charles – National Center for Education Evaluation and Regional Assistance, 2017
A new design-based theory has recently been developed to estimate impacts for randomized controlled trials (RCTs) and basic quasi-experimental designs (QEDs) for a wide range of designs used in social policy research (Imbens & Rubin, 2015; Schochet, 2016). These methods use the potential outcomes framework and known features of study designs…
Descriptors: Design, Randomized Controlled Trials, Quasiexperimental Design, Research Methodology
Mattern, Krista D.; Marini, Jessica P.; Shaw, Emily J. – College Board, 2013
The current study examined the role of AP® Exam participation and performance on four-year college graduation in four years. Because students who take AP Exams can earn college credit while still in high school, it was expected that AP students would have higher four-year graduation rates. Moreover, it was expected that AP students who earned…
Descriptors: Advanced Placement Programs, Tests, Graduation, Higher Education
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Hinerman, Krystal M.; Hull, Darrell M.; Chen, Qi; Booker, Dana D.; Naslund-Hadley, Emma I. – Society for Research on Educational Effectiveness, 2014
In Belize, the percentage of untrained teachers (i.e. teachers with the equivalent of a high school education or less) is one of the highest in the region of Latin America and the Caribbean. In response to growing student cohorts, the increased demand for more classroom teachers has led to significant decrease in the proportion of trained teachers…
Descriptors: Foreign Countries, Mathematics Instruction, Randomized Controlled Trials, Teacher Education