MCQs

11262 questions found

Practice Questions

A study reports an “odds ratio (OR)” of 2.5 for a specific intervention. What does this suggest?

A. The intervention has no effect.
B. The intervention is associated with 2.5 times higher odds of the outcome compared to the control. ✓
C. The intervention is associated with 2.5 times lower odds of the outcome.
D. The sample size was too small.
nmdcat.online BS Nursing
Jun 6, 2026

What is a “confounding variable” in a research study?

A. A variable that is deliberately manipulated by the researcher.
B. A variable that is measured as the outcome.
C. An unmeasured variable that affects both the independent and dependent variables, potentially distorting the true relationship. ✓
D. A variable that is held constant.
nmdcat.online BS Nursing
Jun 6, 2026

Which type of qualitative research aims to develop a theory that is “grounded” in the data from participants’ experiences?

A. Phenomenology
B. Ethnography
C. Grounded Theory ✓
D. Narrative Inquiry
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is considering using a new medical device. Before incorporating it into practice, they seek out research on its safety and effectiveness. This is an example of:

A. Relying on anecdotal evidence
B. Implementing intuition
C. Adhering to tradition
D. Practicing evidence-based medicine ✓
nmdcat.online BS Nursing
Jun 6, 2026

What is the purpose of “control” in quantitative research?

A. To allow researchers to manipulate variables freely.
B. To minimize the influence of extraneous variables and isolate the effect of the independent variable. ✓
C. To ensure participant satisfaction.
D. To speed up the research process.
nmdcat.online BS Nursing
Jun 6, 2026

Which ethical consideration is paramount when researching sensitive topics, such as domestic violence or substance abuse?

A. Statistical power
B. Data saturation
C. Anonymity and confidentiality ✓
D. Random assignment
nmdcat.online BS Nursing
Jun 6, 2026

What is the term for a systematic review that also includes a statistical pooling of data from individual studies?

A. Narrative Review
B. Scoping Review
C. Meta-analysis ✓
D. Integrative Review
nmdcat.online BS Nursing
Jun 6, 2026

What does “external validity” refer to in a research study?

A. The extent to which the independent variable caused the observed effect.
B. The generalizability of the findings to other populations and settings. ✓
C. The consistency of the measurement tool.
D. The accuracy of the statistical analysis.
nmdcat.online BS Nursing
Jun 6, 2026

What is the primary purpose of a “random sample”?

A. To make data analysis easier.
B. To ensure that every member of the population has an equal chance of being selected, promoting representativeness. ✓
C. To select only healthy participants.
D. To reduce the cost of research.
nmdcat.online BS Nursing
Jun 6, 2026

What is the “effect size” in a quantitative research study?

A. The sample size.
B. The magnitude of the difference or relationship between variables. ✓
C. The p-value.
D. The statistical power of the study.
nmdcat.online BS Nursing
Jun 6, 2026

What is the “mode” in descriptive statistics?

A. The average value.
B. The middle value.
C. The most frequently occurring value. ✓
D. The difference between the highest and lowest values.
nmdcat.online BS Nursing
Jun 6, 2026

What is the ethical principle of “autonomy” in research?

A. The right of participants to be protected from harm.
B. The right of participants to make their own informed decisions about participation. ✓
C. The fair distribution of research benefits and burdens.
D. The obligation to maximize benefits for participants.
nmdcat.online BS Nursing
Jun 6, 2026

Which section of a research report describes the characteristics of the study participants?

A. Introduction
B. Literature Review
C. Methodology
D. Results ✓
nmdcat.online BS Nursing
Jun 6, 2026

What is “assent” in research ethics, specifically for children?

A. Parental permission for research participation.
B. The child's formal agreement to participate, beyond just parental consent. ✓
C. The child's ability to understand complex medical terms.
D. The child's refusal to participate.
nmdcat.online BS Nursing
Jun 6, 2026
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