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Direct linkBrown, Seth; Song, Mengli; Cook, Thomas D.; Garet, Michael S. – American Educational Research Journal, 2023
This study examined bias reduction in the eight nonequivalent comparison group designs (NECGDs) that result from combining (a) choice of a local versus non-local comparison group, and analytic use or not of (b) a pretest measure of the study outcome and (c) a rich set of other covariates. Bias was estimated as the difference in causal estimate…
Descriptors: Research Design, Pretests Posttests, Computation, Bias
Download full textGaret, Michael S.; Wayne, Andrew J.; Brown, Seth; Rickles, Jordan; Song, Mengli; Manzeske, David – National Center for Education Evaluation and Regional Assistance, 2017
Educator performance evaluation systems are a potential tool for improving student achievement by increasing the effectiveness of the educator workforce. For example, recent research suggests that giving more frequent, specific feedback on classroom practice may lead to improvements in teacher performance and student achievement. This report is…
Descriptors: Performance Based Assessment, Feedback (Response), School Districts, Classroom Techniques
Garet, Michael S.; Wayne, Andrew J.; Brown, Seth; Rickles, Jordan; Song, Mengli; Manzeske, David – National Center for Education Evaluation and Regional Assistance, 2017
Educator performance evaluation systems are a potential tool for improving student achievement by increasing the effectiveness of the educator workforce. For example, recent research suggests that giving more frequent, specific feedback on classroom practice may lead to improvements in teacher performance and student achievement. This report is…
Descriptors: Performance Based Assessment, Feedback (Response), School Districts, Classroom Techniques
