Work Type


Publication Date



Liberal Arts and Sciences


meta-analysis; evidence-based practices; effect size


This guide by is licensed under Creative Commons BY-NC-ND.

©2020 The development of this guide was supported by the Institute of Education Sciences, U.S. Department of Education through grants R305H060080 and R305A110550 awarded to Washington University in St. Louis. The opinions expressed are those of the authors and do not represent the views of the Institute or the U.S. Department of Education



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