One of the steps in the EBP process includes locating the best-available evidence. To help with this step, PICOS was developed. PICOS is a mnemonic tool to help researchers formulate a searchable question. This tool was developed by McMaster University and Health Evidenceā¢
Population/Patient/Problem For which group do you need information?
Intervention What medical event do you need to study the effect of?
Comparison What is the evidence that the intervention produces different results than a different or no intervention?
Outcome What is the effect of the intervention?
Setting/Study Type Where is the research done (e.g., ambulatory setting) or type of study (e.g., RCT)?
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