RT Book, Section A1 Arnold, Brent L. A1 Schilling, Brian K. SR Print(0) ID 1162701370 T1 Glossary T2 Evidence-Based Practice in Sport and Exercise: A Guide to Using Research YR 2017 FD 2017 PB F. A. Davis Company PP New York, NY SN 9780803640283 LK fadavisat.mhmedical.com/content.aspx?aid=1162701370 RD 2024/04/23 AB Absolute risk reduction (ARR): A measure of the change in risk of an experimental treatment in relation to a control treatment. It is calculated by subtracting the experimental event rate from the control event rate.