Midterm Made Easy with correct verified
answers with rationales 2026-2027.
1. The primary purpose of nursing research is to:
A. Improve documentation accuracy
B. Generate income for healthcare organizations
C. Develop knowledge to improve patient outcomes
D. Replace clinical judgment
Rationale: Nursing research focuses on building evidence that
improves patient care, outcomes, and professional practice.
2. Evidence-based practice (EBP) is best defined as:
A. Following physician orders
B. Using hospital policies only
C. Integrating best evidence, clinical expertise, and
patient preferences
D. Using research alone to guide care
Rationale: EBP combines research evidence, clinician
expertise, and patient values.
3. Which source of evidence is considered the strongest?
A. Expert opinion
B. Case study
, C. Randomized controlled trial
D. Systematic review or meta-analysis
Rationale: Systematic reviews synthesize multiple high-quality
studies, providing the strongest level of evidence.
4. Quantitative research is characterized by:
A. Subjective data
B. Narrative descriptions
C. Numerical data and statistical analysis
D. Focus groups
Rationale: Quantitative studies use numbers and statistics to
test relationships and hypotheses.
5. Qualitative research primarily focuses on:
A. Cause-and-effect relationships
B. Understanding lived experiences and meanings
C. Measuring outcomes
D. Statistical significance
Rationale: Qualitative research explores perceptions, feelings,
and experiences.
6. A hypothesis is best described as:
A. A research conclusion
B. A testable prediction of a relationship between
variables
, C. A data collection method
D. A literature summary
Rationale: Hypotheses predict relationships that can be tested
through research.
7. The independent variable is the:
A. Outcome measured
B. Confounding factor
C. Variable manipulated or controlled by the researcher
D. Research setting
Rationale: The independent variable is the cause or
intervention being tested.
8. The dependent variable is the:
A. Intervention
B. Outcome affected by the independent variable
C. Sample size
D. Research design
Rationale: The dependent variable reflects the effect of the
intervention.
9. Reliability refers to:
A. Accuracy of results
B. Consistency of measurement
C. Applicability of findings
D. Ethical approval
, Rationale: A reliable tool produces consistent results over
time.
10. Validity refers to:
A. Consistency
B. Sample size
C. Accuracy in measuring what it intends to measure
D. Randomization
Rationale: Validity ensures the tool truly measures the
intended concept.
11. Informed consent requires that participants:
A. Are paid
B. Understand medical terminology
C. Are fully informed and voluntarily agree to
participate
D. Complete the study
Rationale: Ethical research requires voluntary participation
with full understanding.
12. The Institutional Review Board (IRB) exists to:
A. Fund research
B. Publish studies
C. Protect the rights and welfare of human subjects
D. Collect data
Rationale: The IRB ensures ethical standards are met.