What is a literature review?
A literature review is a comprehensive and up-to-date overview of published information on a subject area. Conducting a literature review demands a careful examination of a body of literature that has been published that helps answer your research question (See PICO). Literature reviewed includes scholarly journals, scholarly books, authoritative databases, primary sources and grey literature.
A literature review attempts to answer the following:
Performance & Training
The PICO model can help you formulate a good clinical question. Sometimes it's referred to as PICO-T, containing an optional 5th factor.
|P - Patient, Population, or Problem||
What are the most important characteristics of the patient?
How would you describe a group of patients similar to yours?
|I - Intervention, Exposure, Prognostic Factor||
What main intervention, prognostic factor, or exposure are you considering?
What do you want to do for the patient (prescribe a drug, order a test, etc.)?
|C - Comparison||What is the main alternative to compare with the intervention?|
|O - Outcome||What do you hope to accomplish, measure, improve, or affect?|
|T - Time Factor, Type of Study (optional)||
How would you categorize this question?
What would be the best study design to answer this question?
TIPS – How to Locate Seminal Works