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HHPF 502: Introduction to Research

Levels of Evidence

"The Oxford Centre for Evidence-Based Medicine (CEBM) has separated the types of studies into categories designed to direct clinicians in answering clinically relevant questions. Knowledge of the level of evidence for each type of study helps clinicians determine the value of the results reported. The levels of evidence range from 1 to 5; Level 1 is the highest quality and Level 5 is the lowest."

Visualization of the Oxford Centre of Evidence-Based Medicine model

from: Medina, J.M., Mckeon, P.O. and Hertel, J. Rating the Levels of Evidence in Sports-Medicine Research. (2006). Athletic Therapy Today, 11, 5. pp.45-48

Using the CRAAP Method to Evaluate Information