Journals in numerous fields including psychology, education, public health, and business currently require that effect size estimates be included along with p-values when reporting statistical results. Yet, the concept of effect size remains a mystery to many researchers. If you are among those who have lost countless hours of sleep pondering the notion of effect size, or if you simply wish to gain a better understanding of what effect sizes are and how they can aid in interpreting your statistical findings, please attend this “lunch and learn” session.
Topics discussed were:
*The meaning of effect size and why effect size is useful;
* Different types of effect size estimates and when to use them;
*How to interpret effect size in conjunction with p-values,
*What effect size tells you that p-values don’t
Hutchinson, Susan, "Effects on Quantitative Research" (2012). Research & Publication. 12.