Practice Questions

What is the primary purpose of “randomization” in a quantitative experimental study?

A. To make the study easier to conduct.
B. To ensure that all participants are diverse.
C. To minimize bias and ensure that groups are comparable at baseline.
D. To speed up the data collection process.
nmdcat.online BS Nursing
Jun 6, 2026

A research study describes its sample as “convenience sampling.” What is a key limitation of this sampling method?

A. It is very expensive.
B. It often leads to a representative sample.
C. It increases the risk of sampling bias and limits generalizability.
D. It is difficult to implement.
nmdcat.online BS Nursing
Jun 6, 2026

In qualitative research, what is “member checking”?

A. The process of interviewing multiple participants.
B. Returning data and interpretations to participants for verification of accuracy.
C. A technique for analyzing statistical data.
D. A method for ensuring researcher objectivity.
nmdcat.online BS Nursing
Jun 6, 2026

Which ethical principle requires researchers to maximize benefits and minimize harm to participants?

A. Justice
B. Respect for Persons
C. Beneficence
D. Non-maleficence
nmdcat.online BS Nursing
Jun 6, 2026

A research study reports a “confidence interval” for an intervention’s effect. What does a 95% confidence interval mean?

A. There is a 95% chance that the null hypothesis is true.
B. The true population parameter lies within this range 95% of the time.
C. The researchers are 95% confident in their findings.
D. 95% of the participants showed the desired effect.
nmdcat.online BS Nursing
Jun 6, 2026

What is “power” in the context of a statistical test?

A. The probability of making a Type I error.
B. The probability of making a Type II error.
C. The probability of correctly rejecting a false null hypothesis.
D. The sample size required for the study.
nmdcat.online BS Nursing
Jun 6, 2026
Page 396 of 653
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    6528 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →