You Have Decided to Conduct a Study Where You Are

Essay

You have decided to conduct a study where you are interested in observing mean differences in blood lead levels (mg/dL) in individuals who drink well water versus those who drink tap water. A previous study reported an effect size of 0.10, and you use this in planning your study. This effect size is considered small, what impact will a small effect size have on sample size planning? Explain.