Practice Questions

nmdcat.online BS Nursing
Jun 6, 2026

Which type of research question is best suited for identifying correlations between variables?

A. Experimental
B. Descriptive
C. Qualitative
D. Correlational
nmdcat.online BS Nursing
Jun 6, 2026

What is the purpose of a “control group” in an experimental study?

A. To receive the intervention being tested.
B. To serve as a baseline for comparison, receiving no intervention or standard care.
C. To provide qualitative data.
D. To help recruit participants.
nmdcat.online BS Nursing
Jun 6, 2026

What is “systematic error” in research?

A. Random fluctuations in data.
B. Errors that occur consistently in one direction, leading to bias.
C. Errors made during data entry.
D. Errors in the literature review.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is reviewing a new drug’s profile and sees that its “half-life” is 12 hours. This technical information is important for:

A. Determining the color of the drug.
B. Calculating the correct dosing interval.
C. Understanding the patient's emotional response.
D. Assessing the drug's palatability.
nmdcat.online BS Nursing
Jun 6, 2026

What is “measurement error” in research?

A. Mistakes in data entry.
B. The difference between the observed value and the true value of a variable.
C. Errors in research design.
D. Misinterpretation of statistical results.
nmdcat.online BS Nursing
Jun 6, 2026

What is “replication” in research?

A. Conducting a study multiple times with the same participants.
B. Repeating a study with a new sample to verify the original findings.
C. Publishing the same results in different journals.
D. Analyzing the data using different statistical methods.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse researcher is using “stratified random sampling.” What is the main benefit of this method?

A. It is the fastest sampling method.
B. It ensures that specific subgroups within the population are represented proportionally in the sample.
C. It eliminates all bias.
D. It only requires a small sample size.
nmdcat.online BS Nursing
Jun 6, 2026

What is the primary purpose of a “research question”?

A. To provide a definitive answer to a problem.
B. To guide the research process and define the specific area of inquiry.
C. To list all the variables in a study.
D. To summarize the findings of a study.
nmdcat.online BS Nursing
Jun 6, 2026
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