RT Book, Section A1 Portney, Leslie G. SR Print(0) ID 1187146033 T1 Defining the Research Question 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=1187146033 RD 2024/04/23 AB The start of any research effort is identification of the specific question that will be investigated. This is the most important and often most difficult part of the research process because it controls the direction of all subsequent planning and analysis.