Randomized controlled trials: Methodological concepts and critique

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Randomized controlled trials, also known as true experiments or intervention studies, are considered to be the gold standard research design for demonstrating a cause-and-effect relationship between an intervention and an outcome. This article will describe key methodological concepts that make the randomized controlled trial this gold standard. Practicing from an evidence-based perspective requires practitioners to be able to critique the strengths and weaknesses of a research study in order to make decisions about adoption of the intervention into one's practice area. Key components to the critique of a randomized controlled trial are defined and the process is illustrated by a critique of Gallo and colleagues article, A Study of Naloxone Effect on Urinary Retention in the Patient Receiving Morphine PCA, published in this issue.

Original languageEnglish (US)
Pages (from-to)116-122
Number of pages7
JournalOrthopaedic Nursing
Issue number2
StatePublished - Mar 2008

All Science Journal Classification (ASJC) codes

  • Advanced and Specialized Nursing
  • Orthopedics and Sports Medicine


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