R. Jack Fishman Library: WSCC EBP Tutorial: Levels of Evidence

Intro to levels of evidence

Not all research is equal. Therefore, as you begin to explore the evidence in databases, you will need to determine if the evidence is appropriate for your question. Watch the videos below and study the EBP pyramid.

Levels of Evidence

Understand Randomized Control Studies

EBP Pyramid

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Further Exploration on Levels of Evidence

A Nurses’ Guide to the Hierarchy of Research Designs and Evidence
Short article reviewing the levels of evidence.
Study Design In-Depth Tutorial
This short module defines each level of evidence, offers characteristics and examples, & advantages and disadvantages. An excellent resource to learn about the levels of evidence.

Levels of Research - Chart with level numbers

Levels of Research (Numbers)