A researcher records the nutritional status and haemoglobin level of pregnant women during one clinic visit without giving an intervention. Which design best describes this study?
Correct answer: A. Cross-sectional study
- A. Cross-sectional study
- B. Randomised controlled trial
- C. Prospective cohort study
- D. Quasi-experimental study
Explanation
A cross-sectional study measures variables at one point in time and does not involve an intervention. A randomised trial and a quasi-experimental study test an intervention, while a cohort study follows participants over time.
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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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