NURS 307: NURSING RESEARCH AND
EVIDENCE-BASED PRACTICE
MIDTERM QUESTIONS AND VERIFIED
ANSWERS | 100% CORRECT | GRADE A+
1. Which level of evidence is considered the highest in the hierarchy of evidence for practice
decisions?
A. Expert opinion of consensus panels
B. Single descriptive or qualitative studies
C. Well-designed case-control and cohort studies
D. Systematic reviews or meta-analyses of all relevant RCTs
Answer: D
Conceptual Explanation: Systematic reviews and meta-analyses of RCTs provide the most
rigorous summary of evidence, reducing bias and providing high statistical power.
2. In a study examining the effect of a new dressing on wound healing time, what is the
‘healing time’?
A. Independent variable
B. Extraneous variable
C. Confounding variable
,D. Dependent variable
Answer: D
Conceptual Explanation: The dependent variable is the outcome or effect that the
researcher is interested in measuring or explaining.
3. Which ethical principle involves the obligation to ‘do no harm’ and maximize possible
benefits?
A. Justice
B. Fidelity
C. Autonomy
D. Beneficence
Answer: D
Conceptual Explanation: Beneficence refers to the duty to minimize harm and maximize
benefits for research participants.
4. What is the primary purpose of an Institutional Review Board (IRB)?
A. To protect the rights and welfare of human subjects
B. To fund nursing research projects
C. To ensure the study has statistical significance
D. To verify the qualifications of the researchers
, Answer: A
Conceptual Explanation: The IRB’s primary mandate is the protection of human subjects
participating in research.
5. A researcher uses a sample of patients available in a specific clinic during a specific week.
What sampling method is this?
A. Simple random sampling
B. Stratified sampling
C. Convenience sampling
D. Purposive sampling
Answer: C
Conceptual Explanation: Convenience sampling involves selecting participants who are
readily available and accessible to the researcher.
6. Which qualitative research tradition focuses on the lived experience of individuals?
A. Phenomenology
B. Grounded Theory
C. Ethnography
D. Historical Research
Answer: A
EVIDENCE-BASED PRACTICE
MIDTERM QUESTIONS AND VERIFIED
ANSWERS | 100% CORRECT | GRADE A+
1. Which level of evidence is considered the highest in the hierarchy of evidence for practice
decisions?
A. Expert opinion of consensus panels
B. Single descriptive or qualitative studies
C. Well-designed case-control and cohort studies
D. Systematic reviews or meta-analyses of all relevant RCTs
Answer: D
Conceptual Explanation: Systematic reviews and meta-analyses of RCTs provide the most
rigorous summary of evidence, reducing bias and providing high statistical power.
2. In a study examining the effect of a new dressing on wound healing time, what is the
‘healing time’?
A. Independent variable
B. Extraneous variable
C. Confounding variable
,D. Dependent variable
Answer: D
Conceptual Explanation: The dependent variable is the outcome or effect that the
researcher is interested in measuring or explaining.
3. Which ethical principle involves the obligation to ‘do no harm’ and maximize possible
benefits?
A. Justice
B. Fidelity
C. Autonomy
D. Beneficence
Answer: D
Conceptual Explanation: Beneficence refers to the duty to minimize harm and maximize
benefits for research participants.
4. What is the primary purpose of an Institutional Review Board (IRB)?
A. To protect the rights and welfare of human subjects
B. To fund nursing research projects
C. To ensure the study has statistical significance
D. To verify the qualifications of the researchers
, Answer: A
Conceptual Explanation: The IRB’s primary mandate is the protection of human subjects
participating in research.
5. A researcher uses a sample of patients available in a specific clinic during a specific week.
What sampling method is this?
A. Simple random sampling
B. Stratified sampling
C. Convenience sampling
D. Purposive sampling
Answer: C
Conceptual Explanation: Convenience sampling involves selecting participants who are
readily available and accessible to the researcher.
6. Which qualitative research tradition focuses on the lived experience of individuals?
A. Phenomenology
B. Grounded Theory
C. Ethnography
D. Historical Research
Answer: A
