effect size in statistics how to use effect size does effect size affect sample size what is the effect size in an impact size? what does effect sizes affect effects of sample size what is the effect size what does effect size do in a proposal what is the effect size if you use 0.5 how many students are in an effect size what % of the sample does effect size can effect size be used for sample sizes? which of the following is a common sample size used for an experiment? effects of effect size what is effect size for a sample what is the difference between a sample size and effect size effect size of students in a survey effect size definition math effect size is used to calculate what effect size is used when