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The Threshold and Inclusive Approaches to Determining "Best Available Evidence": An Empirical Analysis
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Stockard, Jean; Wood, Timothy W. – American Journal of Evaluation, 2017
Most evaluators have embraced the goal of evidence-based practice (EBP). Yet, many have criticized EBP review systems that prioritize randomized control trials and use various criteria to limit the studies examined. They suggest this could produce policy recommendations based on small, unrepresentative segments of the literature and recommend a…
Descriptors: Best Practices, Evidence Based Practice, Criticism, Randomized Controlled Trials
Toward a More Nuanced Approach to Program Effectiveness Assessment: Hierarchical Linear Models in K-12 Program Evaluation
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Newton, Xiaoxia A.; Llosa, Lorena – American Journal of Evaluation, 2010
Most K-12 evaluations are designed to make inferences about how a program implemented at the classroom or school level affects student learning outcomes and such inferences inherently involve hierarchical data structure. One methodological challenge for evaluators is linking program implementation factors typically measured at the classroom or…
Descriptors: Program Evaluation, Reading Programs, Reading Achievement, Program Implementation