A nurse proposes that the hospital apply the findings from a recent research study that shows that clients appreciate classical orchestra music and playing it frequently lowers clients’ blood pressure. Which aspect of research suggests that it may not be appropriate to implement this as evidence-based practice?
All research is flawed.
The research would not have taken into consideration the cost of acquiring and playing the music in a hospital.
One study would not be sufficient to show that all clients would find orchestral music pleasing.
Research cannot demonstrate clients’ appreciation of music since research is only appropriate for physiological problems.
The Correct Answer is C
Evidence-based practice (EBP) integrates the best available research evidence with clinical expertise and patient preferences. However, the adoption of findings into practice requires critical appraisal of research quality, replication of results, and applicability to a specific patient population.
Rationale for correct answer:
C. One study would not be sufficient to show that all clients would find orchestral music pleasing: Evidence-based practice typically requires consistent findings from multiple high-quality studies to ensure that the results are reliable and applicable to diverse populations.
Rationale for correct answer:
A. All research is flawed: While no study is perfect, this statement is overly broad and does not specifically address why one study alone may be insufficient to guide practice.
B. The research would not have taken into consideration the cost of acquiring and playing the music in a hospital: Cost analysis is relevant to feasibility but is not the primary research limitation in this scenario; the main concern is generalizability from only one study.
D. Research cannot demonstrate clients’ appreciation of music since research is only appropriate for physiological problems: Research can absolutely study psychological, emotional, and satisfaction-related variables; it is not limited to physiological outcomes.
Take home points
- Always look for replication of results across multiple well-designed studies before recommending widespread implementation of a practice.
- Evidence-based practice considers not only the presence of a positive finding but also its generalizability to different patient populations.
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Related Questions
Correct Answer is A
Explanation
Quantitative research focuses on measurable variables and numerical data to establish patterns, relationships, and cause-effect links. It is particularly useful when researchers want to test hypotheses or determine the impact of an intervention.
Rationale for correct answer:
A. A study measuring the effects of sleep deprivation on wound healing: This involves measurable outcomes (e.g., wound size, healing time) and seeks statistical analysis, making it ideal for quantitative research.
Rationale for incorrect answers:
B. A study examining the bereavement process in spouses of clients with terminal cancer: This involves exploring personal experiences, emotions, and meanings, which fits qualitative research.
C. A study exploring factors influencing weight control behavior: While some parts could be measured, “exploring factors” often implies a qualitative approach to understand motivations and barriers.
D. A study examining a client’s feelings before and after a bone marrow aspiration: This involves subjective feelings and personal perception, which are typically analyzed using qualitative methods.
Take home points:
- Quantitative research answers “how much” or “how many” using numbers and measurable outcomes.
- Qualitative research explores meanings, experiences, and perceptions, often without statistical measurement.
Correct Answer is D
Explanation
PICO is a mnemonic used to build focused clinical questions for evidence-based practice: Patient/Population/Problem, Intervention, Comparison, Outcome.
Rationale for correct answer:
D. Explicit descriptions of population of interest: P refers to the patient group or problem (e.g., adults with type 2 diabetes, postoperative hip fracture patients).
Rationale for incorrect answers:
A. Comparison to another similar treatment: That describes C (Comparison), not P.
B. Clearly defined, focused literature review: A literature review is a research activity, not the P element of PICO.
C. Specific identification of the desired outcome: That is O (Outcome), not P.
Take home points:
- A research critique is a balanced appraisal of strengths and weaknesses that informs evidence-based decisions.
- Use the critique to determine trustworthiness and clinical applicability, not just to summarize the article
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