A nurse researcher uses a validated depression scale to measure anxiety in patients. Which concern is most important?
Correct answer: A. The instrument may lack construct validity for anxiety
- A. The instrument may lack construct validity for anxiety
- B. The sample may have excessive statistical power
- C. The study automatically has high inter-rater reliability
- D. The findings must be qualitative rather than quantitative
Explanation
Construct validity asks whether an instrument measures the concept it claims to measure. A depression scale may not validly measure anxiety, even if it produces consistent numerical results.
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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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50 free Nursing Research MCQs from Nursing Management and Ethics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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