NSG 3850 EXAM 3 - ADVANCED
NURSING RESEARCH AND EBP GALEN
COLLEGE OF NURSING (U.S.) |
COMPLETE VERIFIED ANSWERS
2026/2027
1. Which component of a PICO(T) question describes the results that the clinician hopes to
achieve?
A. Outcome
B. Intervention
C. Population
D. Comparison
Answer: A
Conceptual Explanation: The ‘O’ in PICO(T) stands for Outcome, representing the desired
effect or result of the intervention being studied.
2. In the hierarchy of evidence, which of the following is considered the gold standard for
testing the effects of a specific intervention?
A. Case-control studies
B. Qualitative descriptive studies
,C. Expert opinion
D. Randomized Controlled Trials (RCTs)
Answer: D
Conceptual Explanation: Randomized Controlled Trials (RCTs) are Level II evidence and
the highest level for individual studies to determine cause-and-effect relationships.
3. A researcher is studying the effect of a new wound care dressing on healing time. In this
study, ‘healing time’ is the:
A. Independent variable
B. Dependent variable
C. Extraneous variable
D. Confounding variable
Answer: B
Conceptual Explanation: The dependent variable is the outcome variable that is being
measured and is hypothesized to be affected by the independent variable.
4. Which ethical principle from the Belmont Report ensures that the benefits of research are
distributed fairly among all groups?
A. Veracity
B. Beneficence
C. Respect for Persons
, D. Justice
Answer: D
Conceptual Explanation: Justice requires that the selection of subjects is fair and that the
burdens and benefits of research are distributed equitably.
5. A researcher fails to reject the null hypothesis when it is actually false. This is known as:
A. Type II error
B. Type I error
C. Standard error
D. Sampling bias
Answer: A
Conceptual Explanation: A Type II error (beta) occurs when the researcher fails to detect
a significant difference that actually exists in the population.
6. What is the primary purpose of an Institutional Review Board (IRB)?
A. To protect the rights and welfare of human subjects
B. To secure funding for the research project
C. To ensure the statistical validity of the research design
D. To evaluate the clinical significance of the findings
Answer: A
NURSING RESEARCH AND EBP GALEN
COLLEGE OF NURSING (U.S.) |
COMPLETE VERIFIED ANSWERS
2026/2027
1. Which component of a PICO(T) question describes the results that the clinician hopes to
achieve?
A. Outcome
B. Intervention
C. Population
D. Comparison
Answer: A
Conceptual Explanation: The ‘O’ in PICO(T) stands for Outcome, representing the desired
effect or result of the intervention being studied.
2. In the hierarchy of evidence, which of the following is considered the gold standard for
testing the effects of a specific intervention?
A. Case-control studies
B. Qualitative descriptive studies
,C. Expert opinion
D. Randomized Controlled Trials (RCTs)
Answer: D
Conceptual Explanation: Randomized Controlled Trials (RCTs) are Level II evidence and
the highest level for individual studies to determine cause-and-effect relationships.
3. A researcher is studying the effect of a new wound care dressing on healing time. In this
study, ‘healing time’ is the:
A. Independent variable
B. Dependent variable
C. Extraneous variable
D. Confounding variable
Answer: B
Conceptual Explanation: The dependent variable is the outcome variable that is being
measured and is hypothesized to be affected by the independent variable.
4. Which ethical principle from the Belmont Report ensures that the benefits of research are
distributed fairly among all groups?
A. Veracity
B. Beneficence
C. Respect for Persons
, D. Justice
Answer: D
Conceptual Explanation: Justice requires that the selection of subjects is fair and that the
burdens and benefits of research are distributed equitably.
5. A researcher fails to reject the null hypothesis when it is actually false. This is known as:
A. Type II error
B. Type I error
C. Standard error
D. Sampling bias
Answer: A
Conceptual Explanation: A Type II error (beta) occurs when the researcher fails to detect
a significant difference that actually exists in the population.
6. What is the primary purpose of an Institutional Review Board (IRB)?
A. To protect the rights and welfare of human subjects
B. To secure funding for the research project
C. To ensure the statistical validity of the research design
D. To evaluate the clinical significance of the findings
Answer: A
