Formulating a PICOT Question

Formulating a PICOT Question

Whether they’re finishing advanced studies in nursing school or working in a professional clinical setting, registered nurses (RNs) begin their research queries using an evidence-based practice framework developed from a well-constructed PICOT question. 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.

Formulating a PICOT Question: 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?

I (Intervention)

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.”

Steps to the PICOT Process

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:

  1. 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?”
  2. 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
  3. 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.
  4. 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.”
  5. Refine the results: Narrow the search results by limiting the works to pertinent content, such as articles from peer-reviewed journals or research documents.
  6. Review the content: Review the research results to establish if they have the necessary information to answer the PICOT question.
  7. 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.”

Formulating a PICOT Question: DNP and PICOT Question

To take a deep dive into advanced nursing practice, many RNs seeking a DNP must submit a final project. At Duquesne University, online DNP program students undertake a DNP Practice Project, which must focus on patient outcomes, quality improvements and clinical practice. Through the project, Duquesne University DNP candidates will identify a specific problem in patient care or clinical practice and present solutions. Students use a PICOT question to guide the project topic. The online DNP program at Duquesne University teaches RNs nurse manager competencies as well as other essential leadership skills. The university offers three distinct DNP tracks:

  • Clinical Leadership DNP
  • Post-Bachelor’s Executive Nurse Leadership DNP
  • Post-Master’s Executive Nurse Leadership DNP

About Duquesne University’s Online DNP Program Duquesne University, a leader in online education, prepares RNs for clinical leadership positions as DNPs. The university’s curriculum builds on existing experiences and knowledge so graduates can implement evidence-based practice in clinical settings. Duquesne University’s online DNP program provides RNs an opportunity to continue their professional career and maintain family responsibilities while earning an advanced degree.

NURS 414 Nursing Research: Research Strategies – PICO(T)

7 Steps to the Perfect PICO Search

Formulating a PICOT Question – Framing the Research Question

Any empirical research—quantitative or qualitative—should be guided from the outset by a question or set of questions. The question defines precisely what is being examined and how an assessment of the results will be undertaken. The research question begins with a research problem, an issue someone would like to know more about or a situation that needs to be changed or addressed, such as:
  • Areas of concern
  • Conditions that could be improved
  • Difficulties that need to be eliminated
  • Questions seeking answers
Characteristics of a good research question:
  • The question is feasible.
  • The question is clear.
  • The question is significant.
  • The question is ethical.
The feasibility of the question should guide not only the expression of the question but its conception. Feasibility should be foremost in the researcher’s mind in the earliest stages of any project. Reviewers will always evaluate the feasibility of a question (possibly before other elements). Clear expression signals clear thinking. Not only must the question be clear in the mind of the research, it must be articulated clearly. Again, reviewers of a manuscript will insist upon clear question so that the potential audience will be able to understand the question and, thus, follow the write-up of the project. Significance may be said to be in the eye of the beholder. One way to gauge significance is to ascertain whether a reading audience will be able to take away a lesson from the project. Work that is very limited—say, to a single organization—may not be looked upon with favor by reviewers. If the question and the project are important enough that readers learn from the work, then it generally passes the significance test.

Research Designs for Nursing and Midwifery

Quantitative Sousa, V. D., Driessnack, M., & Mendes, I. A. C. (2007). An overview of research designs relevant to nursing: Part 1: quantitative research designs. Revista latino-americana de enfermagem15(3), 502-507. http://doi.org/10.1590/S0104-11692007000300022  Qualitative

Driessnack, M., Sousa, V. D., & Mendes, I. A. C. (2007). An overview of research designs relevant to nursing: part 2: qualitative research designs. Revista latino-americana de enfermagem15(4), 684-688.https://doi.org/10.1590/S0104-11692007000400025 

Mixed-methods Martha, D., Sousa, V. D., & Mendes, I. A. C. (2007). An overview of research designs relevant to nursing: Part 3: Mixed and multiple methods. Revista latino-americana de enfermagem15(5), 1046-1049. https://doi.org/10.1590/S0104-11692007000500025 

PICO (T)

Problem / Patient / Population (P) – What individual or group are we interested in studying? Intervention / Indicator  (I) – What is the action (intervention, treatment) we are considering taking? Comparison (C) – To what other action (intervention, treatment) are we comparing the considered action? Outcome (O) – What do we anticipate as an outcome? Time / Type of Study (T) – What time element or type of study are you looking for? Example of a PICO(T) Does hand washing among healthcare workers reduce hospital acquired infections? 
  • P (Problem or Patient or Population): hospital acquired infection
  • I (intervention/indicator) : hand washing
  • C (comparison): no hand washing; other solutions: masks
  • O (outcome of interest): reduced infection
  • T (type of study) qualitative / qualtitative / case study

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