Answered By: A. Marissa Smith
Last Updated: Sep 24, 2019     Views: 122

The American Journal of Nursing uses a concise definition of evidence-based practice, “Evidence-based practice (EBP) is a problem-solving approach to the delivery of healthcare that integrates the best evidence from studies and patient care data with clinician expertise and patient preferences and values.” A pyramid is often used to depict the levels of “best evidence” with the strongest evidence at the top. The pyramid also represents the quantity of evidence forms in the literature. For example, there typically are fewer meta-analyses in the literature than cohort studies.

 

Evidence Pyramid

 

Search these databases, using the appropriate publication type limits, to locate meta-analyses, systematic reviews, clinical practice guidelines and other types of filtered evidence sources in healthcare:

Search these databases, using the appropriate publication type limits, to locate randomized controlled trials and other forms of primary studies in healthcare:

See  What is PICO(T) and how do I use it? to learn how to formulate clinical search queries.

See the Nursing or Public Health research guides to learn more about evidence-based practice.

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