Practice Questions

What is a “control group” in a research study?

A. The group that receives the experimental intervention.
B. The group that receives standard care or a placebo, used for comparison.
C. The group of researchers conducting the study.
D. The population from which the sample is drawn.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is reviewing a systematic review on the effectiveness of different types of dressings for pressure ulcers. The review concludes that foam dressings are superior. What is the most immediate action the nurse should take in their practice?

A. Immediately change all patients to foam dressings.
B. Discuss the findings with colleagues and consider implementing foam dressings if feasible and appropriate for their patient population.
C. Wait for more research to be published.
D. Disregard the findings as not directly applicable.
nmdcat.online BS Nursing
Jun 6, 2026

In a research study, what is “validity” of a measurement instrument?

A. Its consistency in measuring a concept.
B. The extent to which it accurately measures what it intends to measure.
C. Its ease of use.
D. Its cost-effectiveness.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse reads a study finding that “there was a moderate positive correlation between patient education and medication adherence.” What does “moderate positive correlation” imply?

A. As patient education increases, medication adherence decreases slightly.
B. As patient education increases, medication adherence also tends to increase.
C. There is no relationship between patient education and medication adherence.
D. As patient education decreases, medication adherence increases significantly.
nmdcat.online BS Nursing
Jun 6, 2026

What is the primary ethical concern related to “vulnerable populations” in research (e.g., children, prisoners, cognitively impaired individuals)?

A. They are more likely to refuse participation.
B. They require additional safeguards and protections to ensure informed consent and prevent exploitation.
C. They are difficult to recruit.
D. Their data is less reliable.
nmdcat.online BS Nursing
Jun 6, 2026

A researcher is using a “cross-sectional design.” What is a key characteristic of this design?

A. Data is collected at multiple points in time.
B. Data is collected from participants at a single point in time.
C. It involves manipulating an independent variable.
D. It follows participants over a long period.
nmdcat.online BS Nursing
Jun 6, 2026

When critically appraising research, what is the significance of the “discussion” section of a research report?

A. It presents the raw data.
B. It summarizes the previous literature.
C. It interprets the findings, discusses limitations, and suggests implications for practice and future research.
D. It outlines the methodology.
nmdcat.online BS Nursing
Jun 6, 2026

A study reports that “findings were not statistically significant (p > 0.05).” What does this imply?

A. The intervention had a harmful effect.
B. The observed difference is likely due to chance.
C. The sample size was too large.
D. The results are clinically important.
nmdcat.online BS Nursing
Jun 6, 2026
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