A researcher reviews previous studies before finalising a research problem. What is the main purpose of this literature review?
Correct answer: B. To identify existing knowledge and gaps in evidence
- A. To guarantee that the study results are significant
- B. To identify existing knowledge and gaps in evidence
- C. To replace the need for collecting primary data
- D. To ensure every previous study has the same findings
Explanation
A literature review identifies what is already known, shows gaps or inconsistencies, and helps refine the research question. It cannot guarantee statistical significance or remove the need for appropriate data collection.
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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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