NUR 651 Exam 3 Questions With Complete Solutions

NUR 651 Exam 3 Questions With Complete Solutions
NUR 651
Question 1
Which of the following best defines Evidence-Based Practice (EBP)?
A. Clinical decisions based only on physician expertise
B. Research findings used without considering patient preferences
C. Integration of best current evidence, clinical expertise, and patient values
D. Use of randomized controlled trials only
Correct Answer: ✅ C

Rationale:
EBP combines:
 Best available research evidence
 Clinician expertise
 Patient preferences and values
Options A, B, and D exclude essential EBP components.



Question 2
Which research design provides the highest level of evidence for determining cause-and-effect
relationships?
A. Descriptive study
B. Case study
C. Randomized controlled trial (RCT)
D. Qualitative phenomenological study
Correct Answer: ✅ C

Rationale:
RCTs:
 Use randomization
 Control variables
 Reduce bias
They are considered the gold standard for intervention research.

, Question 3
A study examining the relationship between nurses’ stress levels and patient satisfaction is best
described as:
A. Experimental
B. Correlational
C. Quasi-experimental
D. Qualitative
Correct Answer: ✅ B

Rationale:
 Correlational studies examine relationships between variables
 No manipulation or intervention is involved



Question 4
Which sampling method gives every member of the population an equal chance of being
selected?
A. Convenience sampling
B. Purposive sampling
C. Random sampling
D. Snowball sampling
Correct Answer: ✅ C

Rationale:
Random sampling:
 Minimizes bias
 Increases generalizability
 Is a probability sampling method



Question 5
Reliability in research refers to: