RT Journal Article SR Electronic T1 What is a p value and what does it mean? JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 34 OP 34 DO 10.1136/ebnurs-2012-100524 VO 15 IS 2 A1 Dorothy Anne Forbes YR 2012 UL http://ebn.bmj.com/content/15/2/34.abstract AB