RT Book, Section A1 Portney, Leslie G. A1 Watkins, Mary P. SR Print(0) ID 1138252320 T1 Multiple Comparison Tests T2 Foundations of Clinical Research: Applications to Practice, 3e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780803646575 LK fadavispt.mhmedical.com/content.aspx?aid=1138252320 RD 2024/03/28 AB When an analysis of variance results in a significant F-ratio, the researcher is justified in rejecting the null hypothesis and concluding that not all k population means are equal; however, this outcome tells us nothing about which means are significantly different from which other means. In this chapter we describe the most commonly used statistical procedures for deciding which means are significantly different. These procedures are called multiple comparison tests.