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KIN 290 - Intro to Evidence Based Practice: Evidence Based Practice

Evidence Based Practice - 3 Components

Levels of Evidence

More information on 'Types of Studies' on this page from the Evidence Based Practice Tutorial at Duke Universityhttp://www.hsl.unc.edu/services/tutorials/ebm/studies2.htm

This tutorial was developed by Connie Schardt, Duke University Medical Center Library and Jill Mayer, University of North Carolina at Chapel Hill Health Sciences Library.  Robert Ladd, HSL at UNC-Chapel Hill designed the graphics and the user interface.  View the full tutorial from the beginning here: http://www.hsl.unc.edu/services/tutorials/ebm/welcome.htm

Evidence Based Practice Cycle


Ask a Question

  • Get to know your topic
  • Ask yourself the 5 W's and H: Who, What, Where, When, Why, and How?  (Who are the stakeholders? What is the issue/problem/concern/innovation? Where and When will it/does it occur?  Why is it important?  How will you propose to address it?)
  • Do background research to make sure you have a solid foundation

Acquire Evidence - Search the Literature

  • Where will you search?
  • What types of studies or data will be most helpful in answering your question?

Appraise the Evidence

  • Critically appraise the evidence/research you found: what methodologies were used?  How was the data analyzed and reported?  Are the conclusions supported by the data?


  • Consider what the evidence means in your situation, related to your stakeholders and their needs, and how it may be best implemented


  • How did it work?  Did you see results that created the outcomes you were trying to achieve?  Do you need to adjust the implementation?  Do you need a different solution?

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