Page 1 of 85
CNR N4000: NURSING RESEARCH & LEADERSHIP PREP 2026
QUESTIONS WITH VERIFIED ANSWERS DETAILED
RATIONALES GRADED A+
Part I: Foundations of Nursing Research & Evidence-Based Practice
(Questions 1–35)
1. What is the primary goal of Evidence-Based Practice (EBP) in nursing?
A. To increase the number of nursing research studies published each year
B. To provide the highest quality patient care by integrating research evidence
with clinical expertise and patient preferences
C. To reduce the cost of healthcare delivery
D. To eliminate the need for clinical experience in nursing practice
Rationale: The primary goal of EBP is to provide the highest quality patient care
by integrating the best available research evidence with clinical expertise and
patient preferences .
2. A nurse who does not conduct research still needs to understand the nursing
research process primarily to:
A. Avoid legal liability
B. Fulfill continuing education requirements
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C. Be able to critique and apply research findings to practice
D. Qualify for a promotion
Rationale: Nurses who do not conduct research still need to understand the
research process to be knowledgeable consumers of nursing research, allowing
them to critique and apply findings to clinical practice .
3. Research is important in nursing because it:
A. Identifies best practices based on clinical practices
B. Eliminates the need for nursing judgment
C. Replaces clinical experience
D. Reduces the need for patient education
Rationale: Research identifies best practices that are based on clinical practices
and improves outcomes for patients, families, nurses, and the healthcare system .
4. A one-tailed test assesses the probability of an effect in:
A. Two directions
B. One direction
C. Both directions equally
D. Neither direction
Rationale: A one-tailed test assesses the probability of an effect in one direction,
while a two-tailed test assesses both directions .
5. What is the primary difference between invention and innovation in nursing
practice?
A. Invention is a new combination in the realm of economic possibilities;
innovation is a new combination in the realm of tech possibilities
B. Invention is a new combination in the realm of technological possibilities;
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,Page 3 of 85
innovation is a new combination in the realm of economic possibilities
C. There is no difference between invention and innovation
D. Invention applies to technology only; innovation applies to patient care only
Rationale: Invention is a new combination in the realm of technological
possibilities, while innovation is a new combination in the realm of economic
possibilities .
6. Which type of research focuses on understanding the meaning of human
experiences?
A. Qualitative research
B. Quantitative research
C. Experimental research
D. Correlational research
Rationale: Qualitative research explores human experiences, meanings, and social
phenomena, often using interviews and observations.
7. A nurse is reading a study that uses a p-value of 0.05. What does this indicate?
A. There is a 5% chance the results are due to chance
B. There is a 5% probability of obtaining the observed results if the null
hypothesis is true
C. The results are clinically significant
D. The study has a 95% chance of being replicated
Rationale: A p-value of 0.05 indicates a 5% probability of obtaining the observed
results (or more extreme) if the null hypothesis is true.
8. What is the purpose of a systematic review?
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A. To conduct a single primary study
B. To synthesize and critically appraise all available evidence on a specific
clinical question
C. To replace the need for clinical guidelines
D. To provide anecdotal evidence
Rationale: Systematic reviews summarize and critically appraise all available
research on a focused question, providing the highest level of evidence.
9. A nurse wants to implement a new fall prevention protocol. Which step of the
EBP process should be performed first?
A. Implement the change
B. Formulate a clinical question using PICO
C. Evaluate the outcomes
D. Search for evidence
Rationale: The first step in EBP is formulating a focused clinical question, often
using the PICO (Population, Intervention, Comparison, Outcome) format.
10. Which of the following is considered the highest level of evidence in the
research hierarchy?
A. Expert opinion
B. Systematic review of randomized controlled trials
C. Single descriptive study
D. Case report
Rationale: Systematic reviews and meta-analyses of randomized controlled trials
(RCTs) are at the top of the evidence hierarchy.
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CNR N4000: NURSING RESEARCH & LEADERSHIP PREP 2026
QUESTIONS WITH VERIFIED ANSWERS DETAILED
RATIONALES GRADED A+
Part I: Foundations of Nursing Research & Evidence-Based Practice
(Questions 1–35)
1. What is the primary goal of Evidence-Based Practice (EBP) in nursing?
A. To increase the number of nursing research studies published each year
B. To provide the highest quality patient care by integrating research evidence
with clinical expertise and patient preferences
C. To reduce the cost of healthcare delivery
D. To eliminate the need for clinical experience in nursing practice
Rationale: The primary goal of EBP is to provide the highest quality patient care
by integrating the best available research evidence with clinical expertise and
patient preferences .
2. A nurse who does not conduct research still needs to understand the nursing
research process primarily to:
A. Avoid legal liability
B. Fulfill continuing education requirements
1|Page
,Page 2 of 85
C. Be able to critique and apply research findings to practice
D. Qualify for a promotion
Rationale: Nurses who do not conduct research still need to understand the
research process to be knowledgeable consumers of nursing research, allowing
them to critique and apply findings to clinical practice .
3. Research is important in nursing because it:
A. Identifies best practices based on clinical practices
B. Eliminates the need for nursing judgment
C. Replaces clinical experience
D. Reduces the need for patient education
Rationale: Research identifies best practices that are based on clinical practices
and improves outcomes for patients, families, nurses, and the healthcare system .
4. A one-tailed test assesses the probability of an effect in:
A. Two directions
B. One direction
C. Both directions equally
D. Neither direction
Rationale: A one-tailed test assesses the probability of an effect in one direction,
while a two-tailed test assesses both directions .
5. What is the primary difference between invention and innovation in nursing
practice?
A. Invention is a new combination in the realm of economic possibilities;
innovation is a new combination in the realm of tech possibilities
B. Invention is a new combination in the realm of technological possibilities;
2|Page
,Page 3 of 85
innovation is a new combination in the realm of economic possibilities
C. There is no difference between invention and innovation
D. Invention applies to technology only; innovation applies to patient care only
Rationale: Invention is a new combination in the realm of technological
possibilities, while innovation is a new combination in the realm of economic
possibilities .
6. Which type of research focuses on understanding the meaning of human
experiences?
A. Qualitative research
B. Quantitative research
C. Experimental research
D. Correlational research
Rationale: Qualitative research explores human experiences, meanings, and social
phenomena, often using interviews and observations.
7. A nurse is reading a study that uses a p-value of 0.05. What does this indicate?
A. There is a 5% chance the results are due to chance
B. There is a 5% probability of obtaining the observed results if the null
hypothesis is true
C. The results are clinically significant
D. The study has a 95% chance of being replicated
Rationale: A p-value of 0.05 indicates a 5% probability of obtaining the observed
results (or more extreme) if the null hypothesis is true.
8. What is the purpose of a systematic review?
3|Page
, Page 4 of 85
A. To conduct a single primary study
B. To synthesize and critically appraise all available evidence on a specific
clinical question
C. To replace the need for clinical guidelines
D. To provide anecdotal evidence
Rationale: Systematic reviews summarize and critically appraise all available
research on a focused question, providing the highest level of evidence.
9. A nurse wants to implement a new fall prevention protocol. Which step of the
EBP process should be performed first?
A. Implement the change
B. Formulate a clinical question using PICO
C. Evaluate the outcomes
D. Search for evidence
Rationale: The first step in EBP is formulating a focused clinical question, often
using the PICO (Population, Intervention, Comparison, Outcome) format.
10. Which of the following is considered the highest level of evidence in the
research hierarchy?
A. Expert opinion
B. Systematic review of randomized controlled trials
C. Single descriptive study
D. Case report
Rationale: Systematic reviews and meta-analyses of randomized controlled trials
(RCTs) are at the top of the evidence hierarchy.
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