AUTHOR=Lakens Daniel TITLE=Calculating and reporting effect sizes to facilitate cumulative science: a practical primer for t-tests and ANOVAs JOURNAL=Frontiers in Psychology VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2013.00863 DOI=10.3389/fpsyg.2013.00863 ISSN=1664-1078 ABSTRACT=
Effect sizes are the most important outcome of empirical studies. Most articles on effect sizes highlight their importance to communicate the practical significance of results. For scientists themselves, effect sizes are most useful because they facilitate cumulative science. Effect sizes can be used to determine the sample size for follow-up studies, or examining effects across studies. This article aims to provide a practical primer on how to calculate and report effect sizes for