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New Nurse Toolkit

Hierarchy of Evidence

To help you remember the Hierarchy of Evidence, think of the following pyramid. At the top is the strongest type of study and at the bottom of the pyramid is the weakest. Remember to work down the Hierarchy.

Adapted from: Melnyk, B. M. & Fineout-Overholt, E. (2005). Evidence-Based Practice in Nursing & Healthcare: A Guide to Best Practice, Philadelphia, PA: Lippincott Williams & Wilkins. ©2012 National Council of State Boards of Nursing, Inc. NCSBN is a registered trademark, and Transition to Practice is a trademark, of National Council of State Boards of Nursing, Inc.



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