Nursing Research & Evidence-Based Examination
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026 Q&A |
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1. What is the primary purpose of nursing research?
A. Increase hospital revenue
B. Improve patient outcomes through evidence
C. Replace clinical judgment
D. Reduce staffing needs
Answer: B
Research provides evidence that guides safe, effective patient care.
2. Evidence-based practice (EBP) integrates which three components?
A. Policy, finance, and staffing
B. Research evidence, clinical expertise, and patient preferences
C. Technology, staffing, and education
D. Research only
Answer: B
EBP combines best evidence, clinician expertise, and patient values.
3. Which type of research tests cause-and-effect relationships?
A. Qualitative
B. Descriptive
C. Experimental
D. Phenomenological
Answer: C
Experimental studies manipulate variables to determine causality.
4. What is a dependent variable?
A. Variable manipulated by the researcher
B. Outcome measured in the study
C. Confounding variable
,D. Constant factor
Answer: B
The dependent variable reflects the effect of the independent variable.
5. Which research design provides the highest level of evidence?
A. Case study
B. Expert opinion
C. Randomized controlled trial (RCT)
D. Cross-sectional study
Answer: C
RCTs minimize bias through randomization and control.
6. What does a literature review accomplish?
A. Replaces data collection
B. Identifies existing knowledge and gaps
C. Provides funding
D. Ensures randomization
Answer: B
It summarizes current evidence and supports the study rationale.
7. Informed consent ensures which ethical principle?
A. Justice
B. Beneficence
C. Autonomy
D. Fidelity
Answer: C
Participants have the right to make informed decisions about participation.
8. What is the purpose of an Institutional Review Board (IRB)?
A. Fund research
B. Publish research
C. Protect human subjects
D. Analyze data
, Answer: C
IRBs review studies to ensure ethical treatment of participants.
9. Which sampling method gives every member an equal chance of selection?
A. Convenience sampling
B. Random sampling
C. Purposive sampling
D. Snowball sampling
Answer: B
Random sampling reduces selection bias.
10. Reliability refers to:
A. Accuracy of measurement
B. Consistency of measurement
C. Statistical significance
D. Sample size
Answer: B
Reliable tools produce consistent results over time.
11. Validity refers to:
A. Consistency
B. Precision
C. Accuracy of measurement
D. Sample size
Answer: C
Validity determines whether a tool measures what it intends.
12. Which study is qualitative?
A. Measuring blood pressure changes
B. Exploring patient experiences with chronic pain
C. Comparing two medications statistically
D. Calculating infection rates
Answer: B
Qualitative research explores experiences and perceptions.
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of nursing research?
A. Increase hospital revenue
B. Improve patient outcomes through evidence
C. Replace clinical judgment
D. Reduce staffing needs
Answer: B
Research provides evidence that guides safe, effective patient care.
2. Evidence-based practice (EBP) integrates which three components?
A. Policy, finance, and staffing
B. Research evidence, clinical expertise, and patient preferences
C. Technology, staffing, and education
D. Research only
Answer: B
EBP combines best evidence, clinician expertise, and patient values.
3. Which type of research tests cause-and-effect relationships?
A. Qualitative
B. Descriptive
C. Experimental
D. Phenomenological
Answer: C
Experimental studies manipulate variables to determine causality.
4. What is a dependent variable?
A. Variable manipulated by the researcher
B. Outcome measured in the study
C. Confounding variable
,D. Constant factor
Answer: B
The dependent variable reflects the effect of the independent variable.
5. Which research design provides the highest level of evidence?
A. Case study
B. Expert opinion
C. Randomized controlled trial (RCT)
D. Cross-sectional study
Answer: C
RCTs minimize bias through randomization and control.
6. What does a literature review accomplish?
A. Replaces data collection
B. Identifies existing knowledge and gaps
C. Provides funding
D. Ensures randomization
Answer: B
It summarizes current evidence and supports the study rationale.
7. Informed consent ensures which ethical principle?
A. Justice
B. Beneficence
C. Autonomy
D. Fidelity
Answer: C
Participants have the right to make informed decisions about participation.
8. What is the purpose of an Institutional Review Board (IRB)?
A. Fund research
B. Publish research
C. Protect human subjects
D. Analyze data
, Answer: C
IRBs review studies to ensure ethical treatment of participants.
9. Which sampling method gives every member an equal chance of selection?
A. Convenience sampling
B. Random sampling
C. Purposive sampling
D. Snowball sampling
Answer: B
Random sampling reduces selection bias.
10. Reliability refers to:
A. Accuracy of measurement
B. Consistency of measurement
C. Statistical significance
D. Sample size
Answer: B
Reliable tools produce consistent results over time.
11. Validity refers to:
A. Consistency
B. Precision
C. Accuracy of measurement
D. Sample size
Answer: C
Validity determines whether a tool measures what it intends.
12. Which study is qualitative?
A. Measuring blood pressure changes
B. Exploring patient experiences with chronic pain
C. Comparing two medications statistically
D. Calculating infection rates
Answer: B
Qualitative research explores experiences and perceptions.
