RT Journal Article SR Electronic T1 Identifying the best research design to fit the question. Part 1: quantitative designs JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 4 OP 6 DO 10.1136/ebn.2.1.4 VO 2 IS 1 A1 Jackie Roberts A1 Alba Dicenso YR 1999 UL http://ebn.bmj.com/content/2/1/4.abstract AB