Paul D Ellis

Effect Size Matters Paul D Ellis

Want to do research that matters? Want results that make sense?

This jargon-free introduction to effect sizes will show you how to the answer the dreaded "So what?" question. It will teach you how to interpret the substantive as opposed to the statistical significance of your results.

Find out why your estimate of the effect size is the primary output of your studyLearn how to calculate effect sizes in a variety of metricsBoost your publication prospects by interpreting the real-world significance of your resultsDiscover the difference between an effect size and a p-valueUnderstand the critical role of effect sizes in power- and meta-analysesAnd that's just for starters!



Give journal editors what they are asking for - results that are engaging and relevant to stakeholders. Using a class-tested approach, Effect Size Matters will provide you with the tools to meaningfully interpret the results of your research. Book 1 of 3 in the MadMethods series. (Get all three books for less than the price of two with MadMethods 1-3!)

Get your copy now!