Practice Questions

In a research study, the “dependent variable” is:

A. The variable that is manipulated by the researcher.

B. The outcome variable that is measured. ✓

C. A variable that influences both the independent and dependent variables.

D. The variable that is held constant.

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nmdcat.online BS Nursing

Jun 6, 2026

A nurse manager wants to implement an evidence-based intervention to reduce falls on their unit. After finding relevant research, what is the next critical step in the EBP process?

A. Disseminate the findings.

B. Critically appraise the evidence. ✓

C. Develop a research question.

D. Collect new data.

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nmdcat.online BS Nursing

Jun 6, 2026

A research study reports a correlation coefficient (r) of +0.85 between patient adherence to medication and blood pressure control. How should this be interpreted?

A. There is a strong negative relationship.

B. There is a weak positive relationship.

C. There is a strong positive relationship. ✓

D. There is no relationship.

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nmdcat.online BS Nursing

Jun 6, 2026

When appraising a research study, what does “internal validity” refer to?

A. The generalizability of the findings to other populations.

B. The extent to which the study measures what it intends to measure.

C. The extent to which the independent variable caused the observed effect on the dependent variable. ✓

D. The consistency of the measurement tool.

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nmdcat.online BS Nursing

Jun 6, 2026

A nurse researcher is planning to conduct a study on the prevalence of medication errors in a hospital. They intend to collect data from patient charts. What type of data collection method is this?

A. Survey

B. Interview

C. Observation

D. Document Analysis ✓

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nmdcat.online BS Nursing

Jun 6, 2026

A study’s abstract mentions a “mixed-methods design.” What does this imply about the research?

A. It uses only quantitative data.

B. It uses only qualitative data.

C. It combines both quantitative and qualitative research approaches. ✓

D. It involves multiple researchers from different disciplines.

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nmdcat.online BS Nursing

Jun 6, 2026

A researcher obtains an Institutional Review Board (IRB) approval for a study involving human subjects. What is the primary role of the IRB?

A. To secure funding for the research.

B. To ensure the ethical conduct of research and protect human subjects' rights. ✓

C. To publish the research findings.

D. To assist with data analysis.

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nmdcat.online BS Nursing

Jun 6, 2026

A nurse is critically appraising a quantitative study. Which section of the research report should they examine to understand how the researchers controlled for confounding variables?

A. Introduction

B. Literature Review

C. Methodology ✓

D. Results

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nmdcat.online BS Nursing

Jun 6, 2026

What is the primary difference between quantitative and qualitative research?

A. Quantitative research uses words, while qualitative research uses numbers.

B. Quantitative research aims to explore experiences, while qualitative research aims to test hypotheses.

C. Quantitative research focuses on measurement and statistical analysis, while qualitative research focuses on understanding meaning and experience. ✓

D. Quantitative research is always experimental, while qualitative research is always descriptive.

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nmdcat.online BS Nursing

Jun 6, 2026

A researcher is conducting a study where they observe nurses’ adherence to hand hygiene protocols without their knowledge. Which ethical concern is most prominent in this scenario?

A. Anonymity

B. Confidentiality

C. Deception ✓

D. Beneficence

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nmdcat.online BS Nursing

Jun 6, 2026

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Practice Questions

In a research study, the “dependent variable” is:

A nurse manager wants to implement an evidence-based intervention to reduce falls on their unit. After finding relevant research, what is the next critical step in the EBP process?

A research study reports a correlation coefficient (r) of +0.85 between patient adherence to medication and blood pressure control. How should this be interpreted?

When appraising a research study, what does “internal validity” refer to?

A nurse researcher is planning to conduct a study on the prevalence of medication errors in a hospital. They intend to collect data from patient charts. What type of data collection method is this?

A study’s abstract mentions a “mixed-methods design.” What does this imply about the research?

A researcher obtains an Institutional Review Board (IRB) approval for a study involving human subjects. What is the primary role of the IRB?

A nurse is critically appraising a quantitative study. Which section of the research report should they examine to understand how the researchers controlled for confounding variables?

What is the primary difference between quantitative and qualitative research?

A researcher is conducting a study where they observe nurses’ adherence to hand hygiene protocols without their knowledge. Which ethical concern is most prominent in this scenario?

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