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Evidence-Based Practice: Study Design

Study Design

Hierarchy of Evidence
Credits:
This information was developed by staff at Duke University Medical Center Library and the Health Sciences Library at the University of North Carolina at Chapel Hill.

Study Design
Oxford University. This page gives a brief comparison of the advantages and disadvantages of the different types of study.
Clinical Study Design and Methods Terminology

Hierarchy of Evidence

The type of question will often dictate the best study design to address the question:

Levels of Evidence

Strength of recommendation taxonomy (SORT): a patient-centered approach to grading evidence in the medical literature.
Am Fam Physician. 2004 Feb 1;69(3):548-56. PubMed PMID: 14971837
Hierarchy of Evidence Guide
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in: Johns Hopkins Evidence-Based Practice for Nurses and Healthcare Professionals, Fourth Edition
Hierarchy of Evidence
Morsels of Evidence: Evidence-based medicine for general practitioners