There are many different types of literature reviews from the traditional literature review to the rigorous systematic reviews. Each has its own methodology. Please consult your thesis supervisor to decide on the type of review best fitting your research question.
What is PICO(T)?
PICO is a tool commonly used in medical and health research to help researchers formulate a question. The difficulty in creating a question is often underestimated and PICO can help us parse out the important keys a good question should contain. This is just a tool, not a rigid structure in which all questions must fit.
P = Patient, Population, and/or Problem
I = Intervention
C = Comparison (not always applicable)
O = Outcome
T = *Type of Study (what study design is most appropriate to answer the question?)
Sometimes you will see PICO TT where the additional T stands for the type of question you are asking which you do need to know to determine the best study design.
*In some PICO(T) models you will see T stand for time. This only works if your question includes a concept of time.
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