A study randomly assigns patients to receive either a new wound dressing or the usual dressing. Which design is being used?
Correct answer: B. Randomised controlled trial
- A. Descriptive survey design
- B. Randomised controlled trial
- C. Phenomenological design
- D. Retrospective case-control design
Explanation
Random assignment to an intervention or comparison group is a key feature of a randomised controlled trial. Phenomenology explores lived experience, while descriptive and retrospective designs do not involve this type of experimental allocation.
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About Nursing Research
Nursing research covers problem identification, literature review, research questions, hypotheses, variables, quantitative and qualitative approaches, study designs, sampling and data collection. It also addresses validity, reliability, research ethics, data interpretation and evidence-based practice, including how research findings can guide nursing decisions and care.
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