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KIN 294: Introduction to Evidence Based Practice: Use the PICO acronym to focus research question

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Searching Strategies - why bother?

   "From the standpoint of general effectiveness in searching,... the searcher with the widest range of search strategies available is the searcher with the greatest retrieval power."

Marcia J. Bates,THE DESIGN OF BROWSING AND BERRYPICKING TECHNIQUES FOR THE ONLINE SEARCH INTERFACE, Graduate School of Library and Information Science, University of California at Los Angeles

 

Formulating a question

PICO is just an acronym.

PICO helps you remember which key concepts must be identified when formulating a research question and which concepts to include in a search strategy to retrieve the most relevant articles that will answer your research question and to have confidence that you identified any published research reports that exist.

 Formulating a PICO question |Tutorial

 P = Population      

Commonly a population with a topic of interest, e.g. obese adolescent, diabetic adolescent

I = Intervention    

Includes therapies, treatments, procedures, tests

C = Comparison     

Includes interventions, therapies, procedures, tests, treatments, placebo

O = Outcome   

Once you have identified keywords that MUST be included in your search in order to retrieve relevant articles, a rigorous search across multiple databases,and a search by author's identified as researchers on your topic will help to confirm whether or not relevant research has been reported on your specific PICO question. 

Below find a sample formulation of a research question not yet fully developed and refined.  It is a  good beginning, but too board. Background reading will inform the novice on how to further add the necessary specifics to this question. Keep a list of keywords and their synonyms as develop a search strategy for use in the research databases.

Review the following research question. What elements are identified?  What is the population with topic of interest, intervention, comparison intervetion or placebo, and the measured outcome?

 

Researchers identify a specific population, therapy/intervention/procedure/test, sometimes a comparison with another intervention or placebo, and the specific desired outcome that they hope will be obtained when using the intervention and comparative placebo.  A choice of a valid study design will factor in all of these elements and incorporate some kind of measurement of outcome and results.

 

 

 

 

 

 

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