Practice Questions

What is the primary role of “peer review” in the research publication process?

A. To provide financial support for the research.
B. To evaluate the quality, validity, and significance of research before publication.
C. To market the research findings.
D. To ensure the research is politically correct.
nmdcat.online BS Nursing
Jun 6, 2026

A researcher is concerned about “Type I error” in their study. What does a Type I error represent?

A. Failing to reject a false null hypothesis.
B. Rejecting a true null hypothesis.
C. Accepting a false alternative hypothesis.
D. Not finding a significant result when one exists.
nmdcat.online BS Nursing
Jun 6, 2026

What does the “Hawthorne effect” refer to in research?

A. Participants behaving differently because they know they are being observed.
B. The phenomenon where researchers unintentionally influence study outcomes.
C. The tendency of participants to drop out of a study.
D. The effect of research findings on clinical practice.
nmdcat.online BS Nursing
Jun 6, 2026

Which of the following is an example of a “PICOT” formatted clinical question?

A. How do nurses feel about electronic health records?
B. What is the prevalence of depression in adolescents?
C. In adult patients with type 2 diabetes (P), does self-management education (I) compared to usual care (C) reduce HbA1c levels (O) over 6 months (T)?
D. Is nursing research important for patient care?
nmdcat.online BS Nursing
Jun 6, 2026

What is the purpose of “blinding” in a research study?

A. To prevent participants from knowing the study's purpose.
B. To ensure that participants are unaware of their assigned intervention to reduce bias.
C. To obscure the research findings from the public.
D. To keep researchers from influencing the study results.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is reading a research report and encounters the term “bias.” What does bias generally refer to in research?

A. A preference for one research design over another.
B. A systematic error or deviation from the truth in data collection, analysis, or interpretation.
C. A personal opinion of the researcher.
D. A type of statistical analysis.
nmdcat.online BS Nursing
Jun 6, 2026

What is the primary difference between a “research question” and a “hypothesis”?

A. A research question is for qualitative studies, and a hypothesis is for quantitative studies.
B. A research question is a broad inquiry, while a hypothesis is a testable statement predicting a relationship between variables.
C. A research question is answered in the introduction, and a hypothesis is answered in the results.
D. A research question is never tested, while a hypothesis always is.
nmdcat.online BS Nursing
Jun 6, 2026
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