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Direct linkKim, James S. – Educational Researcher, 2019
Why, when so many educational interventions demonstrate positive impact in tightly controlled efficacy trials, are null results common in follow-up effectiveness trials? Using case studies from literacy, this article suggests that replication failure can surface hidden moderators--contextual differences between an efficacy and an effectiveness…
Descriptors: Replication (Evaluation), Failure, Educational Research, Intervention
Kim, James S.; Relyea, Jackie Eunjung; Burkhauser, Mary A.; Scherer, Ethan; Rich, Patrick – Educational Psychology Review, 2021
This experimental study aimed to replicate and extend a previous efficacy study of an elementary grade content literacy intervention that demonstrated positive effects on students' vocabulary knowledge depth, argumentative writing, and reading comprehension. Using a cluster (school) randomized trial design, this replication experiment was…
Descriptors: Elementary School Students, Vocabulary Development, Persuasive Discourse, Writing (Composition)
