Quantitative study
Campbell, D. A., Lake, M. F., Falk, M., & Backstrand, J. R. (2006). A randomized control trial of continuous support in labor by a lay doula. Journal of Obstetric, Gynecologic, & Neonatal Nursing, 35(4), 456-464.
Database from which the article was retrieved
Wiley Online Library Study Design The study utilized a randomized controlled design whereby the participants were randomized into either the control (no intervention) group or the experimental (doula group). As such, the design utilized was suitable and consistent with the study since it enabled the investigator to effectively compare the outcome measures of the two group and come up with significant inferences (Polit & Beck, 2013). ...