RT Book, Section A1 Portney, Leslie G. SR Print(0) ID 1187149238 T1 Foundations of Statistical Inference T2 Foundations of Clinical Research: Applications to Evidence-Based Practice, 4e YR 2020 FD 2020 PB F. A. Davis Company PP New York, NY SN 9780803661134 LK fadavispt.mhmedical.com/content.aspx?aid=1187149238 RD 2024/04/20 AB In the previous chapter, statistics were presented that can be used to summarize and describe data. Descriptive procedures are not sufficient, however, for testing theories about the effects of experimental treatments, for exploring relationships among variables, or for generalizing the behavior of samples to a population. For these purposes, researchers use a process of statistical inference.