The first installment in this series provides a basic understanding of research design to appraise the level of evidence of a source. This article reviews appraisal of randomized controlled trials and quasi-experimental research.
Amy Glasofer is a nurse scientist at Virtua Center for Learning, Mt. Laurel, N.J., and a member of the Nursing2019 Critical Care Editorial Board.
Ann B. Townsend is an adult NP with The Nurse Practitioner Group, LLC.
The authors have disclosed no financial relationships related to this article.