Practice Questions

What is the “null hypothesis” in a research study?

A. A statement predicting a significant relationship between variables.
B. A statement that there is no significant difference or relationship between variables.
C. The researcher's personal belief about the outcome.
D. The conclusion drawn from the study.
nmdcat.online BS Nursing
Jun 6, 2026

A clinical nurse specialist is participating in a journal club. The discussion focuses on a research study that used an “experimental design.” What is a defining characteristic of an experimental design?

A. The researcher does not manipulate any variables.
B. The researcher observes participants in their natural environment.
C. The researcher manipulates an independent variable and randomly assigns participants to groups.
D. The researcher conducts in-depth interviews.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

What is “triangulation” in qualitative research?

A. Using a triangular plot to display data.
B. Using multiple data sources, methods, or theories to enhance the credibility of findings.
C. Conducting a study with three researchers.
D. Analyzing data using three different statistical tests.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is evaluating the “relevance” of a research study for their clinical practice. What is a key consideration for relevance?

A. The study's publication date.
B. Whether the study participants and setting are similar to their own clinical context.
C. The statistical significance of the findings.
D. The number of authors on the paper.
nmdcat.online BS Nursing
Jun 6, 2026

What is the “range” in descriptive statistics?

A. The most frequently occurring value.
B. The difference between the highest and lowest values in a dataset.
C. The sum of all values divided by the number of values.
D. The middle value in a sorted dataset.
nmdcat.online BS Nursing
Jun 6, 2026

What is the primary aim of “descriptive research”?

A. To test relationships between variables.
B. To describe the characteristics of a population or phenomenon.
C. To establish cause-and-effect relationships.
D. To develop new theories.
nmdcat.online BS Nursing
Jun 6, 2026

A nursing unit experiences a high rate of catheter-associated urinary tract infections (CAUTIs). A nurse initiates a quality improvement project to reduce these infections. How does a quality improvement project differ from a formal research study?

A. QI projects require full IRB review, while research studies do not.
B. QI projects aim for immediate improvement in a specific setting, while research aims to generate generalizable knowledge.
C. QI projects always use experimental designs, while research uses only descriptive designs.
D. QI projects are never published, while research studies always are.
nmdcat.online BS Nursing
Jun 6, 2026

What is the “sample size” in a research study?

A. The number of variables being measured.
B. The total number of participants in the study.
C. The number of researchers involved.
D. The duration of the study.
nmdcat.online BS Nursing
Jun 6, 2026
Page 862 of 1122
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    11210 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →