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Claire Allen-Platt; Clara-Christina Gerstner; Robert Boruch; Alan Ruby – Society for Research on Educational Effectiveness, 2021
Background/Context: When a researcher tests an educational program, product, or policy in a randomized controlled trial (RCT) and detects a significant effect on an outcome, the intervention is usually classified as something that "works." When the expected effects are not found, however, there is seldom an orderly and transparent…
Descriptors: Educational Assessment, Randomized Controlled Trials, Evidence, Educational Research