Air Medical Journal
Volume 25, Issue 6 , Pages 242-246 , November 2006

Research study designs: Experimental and quasi-experimental

  • Cheryl Bagley Thompson, RN, PhD

      Affiliations

    • Cheryl Bagley Thompson, RN, PhD, is an associate professor and assistant dean of the health informatics program at the University of Nebraska Medical Center, College of Nursing, in Omaha, Nebraska.
    • ,
  • Edward A. Panacek, MD, MPH

      Affiliations

    • Edward A. Panacek, MD, MPH, is a professor of emergency medicine and director of clinical trials at the UC Davis Medical Center in Sacramento, California.

References 

  1. Grant RHE , Keelan P , Kernohan RJ , Leonard JC , Nagekievill L , Sinclair K . Multicenter trial of propranolol in angina pectoris . Am J Cardiol . 1966;18:361–365
  2. VA Cooperative Study of Atherosclerosis, Neurology Section. An evaluation of estrogenic substances in the treatment of cerebral vascular disease . Circulation . 1966;33:113–119

 Editors' note: This article is the third in a multipart series designed to improve the knowledge base of readers, particularly novices, in the area of clinical research. A better understanding of these principles should help in reading and understanding the application of published studies. It should also help those involved in beginning their own research projects.

PII: S1067-991X(06)00286-0

doi: 10.1016/j.amj.2006.09.001

Air Medical Journal
Volume 25, Issue 6 , Pages 242-246 , November 2006

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