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This guide is designed to assist nursing students and faculty with their library research.

PICO Questions: Definition

PICO is a widely-used acronym to help students and practitioners remember the key question components needed to gather information that supports evidence-based practice. PICO questions may be composed as natural-language questions, or students may simply identify the keyword that matches each component. 

For a helpful worksheet to develop PICO questions: 

The Well-Built, Patient-Oriented Clinical Question


2013. "Evidence Based Practice, Step by Step." American Journal of Nursing, 110.3, 58-61. Retrieved from,_Step_by_Step__Asking_the.28.aspx