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Jacob, Robin T.; Doolittle, Fred; Kemple, James; Somers, Marie-Andrée – Educational Researcher, 2019
A substantial number of randomized trials of educational interventions that have been conducted over the past two decades have produced null results, with either no impact or an unreliable estimate of impact on student achievement or other outcomes of interest. The investment of time and money spent implementing such trials warrants more useful…
Descriptors: Intervention, Randomized Controlled Trials, Educational Research, Program Effectiveness
Lortie-Forgues, Hugues; Inglis, Matthew – Educational Researcher, 2019
In this response, we first show that Simpson's proposed analysis answers a different and less interesting question than ours. We then justify the choice of prior for our Bayes factors calculations, but we also demonstrate that the substantive conclusions of our article are not substantially affected by varying this choice.
Descriptors: Randomized Controlled Trials, Bayesian Statistics, Educational Research, Program Evaluation
Tipton, Elizabeth; Olsen, Robert B. – Educational Researcher, 2018
School-based evaluations of interventions are increasingly common in education research. Ideally, the results of these evaluations are used to make evidence-based policy decisions for students. However, it is difficult to make generalizations from these evaluations because the types of schools included in the studies are typically not selected…
Descriptors: Intervention, Educational Research, Decision Making, Evidence Based Practice