HESI Research Practice Questions

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HESI Research Practice Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

In nursing research, what is the main purpose of a literature review?

• To provide personal opinions

✔✔B. To summarize existing knowledge and identify gaps

• To test the hypothesis
• To recruit participants

Which type of research is used to measure cause-and-effect relationships?

• Descriptive research

✔✔B. Experimental research

• Qualitative research
• Correlational research

When a nurse collects data through interviews to understand patient experiences, which research method is being used?

• Experimental 1 / 4

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• Quasi-experimental

✔✔C. Qualitative

• Historical

What is the main advantage of using random sampling in research?

• It guarantees a large sample size

✔✔B. It reduces selection bias

• It ensures only healthy participants are included
• It shortens the study time

Which part of a research article explains how data were gathered and analyzed?

• Introduction

✔✔B. Methodology

• Results
• Discussion

What is the primary purpose of informed consent in research?

• To guarantee positive outcomes 2 / 4

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✔✔B. To ensure participants understand the study and agree voluntarily

• To increase sample size
• To meet funding requirements

In research, the group that receives no intervention is called the

• Experimental group

✔✔B. Control group

• Test group
• Dependent group

Which variable changes as a result of manipulation in an experiment?

• Independent variable

✔✔B. Dependent variable

• Control variable
• Extraneous variable

What is the best example of a research hypothesis?

• “What is the effect of exercise on blood pressure?” 3 / 4

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✔✔B. “Regular exercise will lower blood pressure in adults.”

• “The researcher will collect blood pressure data.”
• “Exercise is important for health.”

What is the term for consistency in measurement across time and observers?

• Validity

✔✔B. Reliability

• Significance
• Credibility

When a study can be repeated with the same results, it is said to have

• Validity

✔✔B. Reliability

• Bias
• Saturation

Which type of data is represented by numerical measurements such as height and weight?

• Qualitative data
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