RT Journal Article SR Electronic T1 Hypothesis testing and p values: how to interpret results and reach the right conclusions JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP ebnurs-2013-101255 DO 10.1136/eb-2013-101255 A1 Allison Shorten A1 Brett Shorten YR 2013 UL http://ebn.bmj.com/content/early/2013/02/15/eb-2013-101255.abstract AB