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Failing to Replicate: Hypothesis Testing as a Crucial Key to Make Direct Replications More Credible and Predictable

Faculty Mentor

Dr. Edward Applegate

Department

Evaluation

Presentation Date

4-24-2015

Document Type

Poster

Abstract

Replications are the strongest source to verify research findings and knowledge claims. In the social sciences many attempts to replicate fail. Two plausible explanations of this situation could result from the dissimilarity of research questions between original and replication studies and the negligence to consider the knowledge gains of previous experiments (e.g., original effect sizes). To increase replicability of original research findings, this study demonstrated the application of two one-sided tests to evaluate a replication question provides a superior way to conduct research inquiry. Overall, this alternative approach yielded higher proportion of successful replications than the traditional approach (two-sided tests).

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