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DNP 801 Topic 7 Discussion Question Two
DNP 801 Topic 7 Discussion Question Two
Describe how your personal philosophy affects your worldview and how that impacts decision making and your approach to research. What does assessing your own worldview in this way teach you about yourself?
The word PICOT is a mnemonic derived from the elements of a clinical research question – patient, intervention, comparison, outcome and (sometimes) time. The PICOT process begins with a case scenario, and the question is phrased to elicit an answer.
“The question needs to identify the patient or population we intend to study, the intervention or treatment we plan to use, the
comparison of one intervention to another (if applicable) and the outcome we anticipate,” Kathy A. Jensen, MHA, RN, wrote in EBSCO Health’s whitepaper, “7 Steps To The Perfect Pico Search.” “Once a well-structured question is formulated, researchers will be in a better position to search the literature for evidence that will support their original PICO question.”
For RNs who are training in a doctor of nursing practice (DNP) program, including an online DNP program, learning how to develop a comprehensive PICOT question is essential to nurse manager competencies. DNP students study PICOT question examples to determine the best process for crafting a question and finding an answer.
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Learning the PICOT Process
The PICOT process generally begins with a vague clinical query. Each element of the process helps develop a well-structured question. Once established, researchers can search for evidence that will help answer the inquiry.
The elements of a PICOT question are:
P (Patient, population or problem)
Who or what is the patient, population or problem in question?
What is the intervention (action or treatment) being considered?
C (Comparison or control)
What other interventions should be considered?
O (Outcome or objective)
What is the desired or expected outcome or objective?
T (Time frame)
How long will it take to reach the desired outcome?
Using the PICOT process helps develop a careful and thoughtful question that makes the search for evidence easier, the University of Oxford’s world-renowned Centre for Evidence-Based Medicine said.
“The well-formed question makes it relatively straightforward to elicit and combine the appropriate terms needed to represent your need for information in the query language of whichever searching service is available to you,” the University of Oxford author said. “Once you have formed the question using the PICO structure, you can think about what type of question it is you are asking, and therefore what type of research would provide the best answer.”
In developing a PICOT question, researchers must identify a need or a reason for the study. In the EBSCO Health whitepaper, the general example used is this: A committee decides to conduct a case study to determine whether postoperative gum chewing for abdominal surgery patients can prevent postoperative ileus (lack of intestinal movement).
With the scenario in mind, researchers use seven steps to the PICOT search:
- Formulate the PICOT question in general terms: Based on the EBSCO Health example, the research question would be, “In patients recovering from abdominal surgery, is there evidence that suggests gum-chewing postoperatively, compared to not chewing gum, impacts postoperative ileus?”
- Identify the keywords for the PICOT mnemonic:
P – Patients recovering from abdominal surgery
I – Gum chewing
C – Not chewing gum
O – Impacts post-operative ileus
- Plan the search strategy: With the question in mind, researchers consider which databases and other search sites they might use to find information and answers. Researchers use strategies to maximize their search terms such as looking up synonyms and phrases that mean the same thing.
- Execute a search: At first, researchers search each PICOT element individually. For example, when researching patients recovering from abdominal surgery, use the search terms “abdominal surgery,” but also consider the search terms “recovery and postoperative.”
- Refine the results: Narrow the search results by limiting the works to pertinent content, such as articles from peer-reviewed journals or research documents.
- Review the content: Review the research results to establish if they have the necessary information to answer the PICOT question.
- Determine if research results meet standards: After reviewing the research results, determine whether they provide the best available evidence.
After the PICOT question is constructed and researched, the information garnered is used to determine which type of study is most appropriate. Study types include meta-analysis, systematic review, randomized controlled trial, cohort study, case-control study and case report.
“The actual search for high-quality clinical research evidence can be overwhelming to many,” Jensen said in the EBSCO Health whitepaper. “By utilizing the PICO format, the search process will be streamlined and will yield the best available evidence to support clinical decisions and explore alternative treatments and procedures.”
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