WGU D514 Objective Assessment Final –
Analytical Methods of Healthcare Leaders
2025 Actual Exam Test Bank with 200
Verified Questions and Answers (Graded A+)
Research Designs (Questions 1-50)
1. Question: What research method tracks medication error reductions quarterly over two
years using Six Sigma?
Answer: Time-series.
Rationale: Analyzes data at regular intervals to detect trends.
2. Question: What method examines the association of race with care timeliness using one
year of ED claims data?
Answer: Cross-sectional.
Rationale: Snapshot at one time point for associations.
3. Question: What method assesses hospital efficiency over ten years post-prospective
payment system?
Answer: Time-series.
Rationale: Tracks longitudinal changes over time.
4. Question: What method evaluates blood glucose levels after six months of virtual visits
via EHR?
Answer: Cross-sectional.
Rationale: One-time outcome assessment.
5. Question: What method synthesizes published studies on care coordination documents’
impact?
Answer: Meta-analysis.
Rationale: Combines multiple studies for robust conclusions.
,6. Question: What method compares immunization rates in foster care pre/post a five-year
initiative?
Answer: Pre/post-study.
Rationale: Measures intervention effect via before/after data.
7. Question: What method examines 30-day readmissions and mortality in heart failure
using CMS data?
Answer: Regression analysis.
Rationale: Models relationships, controls confounders.
8. Question: What method tracks patient satisfaction and hospital market share over seven
years?
Answer: Longitudinal study.
Rationale: Follows same subjects over time.
9. Question: What method investigates risk factors and disease outcomes over future
periods?
Answer: Cohort study.
Rationale: Prospective causal links.
10. Question: What method studies one person or group in depth without participation?
Answer: Case study.
Rationale: Detailed observational analysis.
11. Question: What method reviews research to inform decisions?
Answer: Literature review.
Rationale: Synthesizes existing knowledge.
12. Question: What method follows people over a long period, same as cohort?
Answer: Longitudinal study.
Rationale: Tracks changes over time.
, 13. Question: What method uses randomization with a control group for interventions?
Answer: Pretest-posttest.
Rationale: Compares intervention effects.
14. Question: What method tests therapeutic agent safety/effectiveness in controlled
settings?
Answer: Clinical trial.
Rationale: Experimental design for interventions.
15. Question: What research type focuses on numerical data?
Answer: Quantitative research.
Rationale: Objective, measurable data.
16. Question: What research type introduces subjectivity in data collection?
Answer: Qualitative research.
Rationale: Non-numerical, interpretive data.
17. Question: What method evaluates EHR impact on documentation errors in a pilot?
Answer: Pretest-posttest.
Rationale: Pre/post-intervention comparison.
18. Question: What method examines ED wait times by insurance type in one month?
Answer: Cross-sectional.
Rationale: Single-time snapshot.
19. Question: What method tracks infection rates quarterly post-hand hygiene campaign?
Answer: Time-series.
Rationale: Sequential trend analysis.
20. Question: What method synthesizes RCTs on telehealth for chronic disease?
Answer: Meta-analysis.
Rationale: Combines study results.
Analytical Methods of Healthcare Leaders
2025 Actual Exam Test Bank with 200
Verified Questions and Answers (Graded A+)
Research Designs (Questions 1-50)
1. Question: What research method tracks medication error reductions quarterly over two
years using Six Sigma?
Answer: Time-series.
Rationale: Analyzes data at regular intervals to detect trends.
2. Question: What method examines the association of race with care timeliness using one
year of ED claims data?
Answer: Cross-sectional.
Rationale: Snapshot at one time point for associations.
3. Question: What method assesses hospital efficiency over ten years post-prospective
payment system?
Answer: Time-series.
Rationale: Tracks longitudinal changes over time.
4. Question: What method evaluates blood glucose levels after six months of virtual visits
via EHR?
Answer: Cross-sectional.
Rationale: One-time outcome assessment.
5. Question: What method synthesizes published studies on care coordination documents’
impact?
Answer: Meta-analysis.
Rationale: Combines multiple studies for robust conclusions.
,6. Question: What method compares immunization rates in foster care pre/post a five-year
initiative?
Answer: Pre/post-study.
Rationale: Measures intervention effect via before/after data.
7. Question: What method examines 30-day readmissions and mortality in heart failure
using CMS data?
Answer: Regression analysis.
Rationale: Models relationships, controls confounders.
8. Question: What method tracks patient satisfaction and hospital market share over seven
years?
Answer: Longitudinal study.
Rationale: Follows same subjects over time.
9. Question: What method investigates risk factors and disease outcomes over future
periods?
Answer: Cohort study.
Rationale: Prospective causal links.
10. Question: What method studies one person or group in depth without participation?
Answer: Case study.
Rationale: Detailed observational analysis.
11. Question: What method reviews research to inform decisions?
Answer: Literature review.
Rationale: Synthesizes existing knowledge.
12. Question: What method follows people over a long period, same as cohort?
Answer: Longitudinal study.
Rationale: Tracks changes over time.
, 13. Question: What method uses randomization with a control group for interventions?
Answer: Pretest-posttest.
Rationale: Compares intervention effects.
14. Question: What method tests therapeutic agent safety/effectiveness in controlled
settings?
Answer: Clinical trial.
Rationale: Experimental design for interventions.
15. Question: What research type focuses on numerical data?
Answer: Quantitative research.
Rationale: Objective, measurable data.
16. Question: What research type introduces subjectivity in data collection?
Answer: Qualitative research.
Rationale: Non-numerical, interpretive data.
17. Question: What method evaluates EHR impact on documentation errors in a pilot?
Answer: Pretest-posttest.
Rationale: Pre/post-intervention comparison.
18. Question: What method examines ED wait times by insurance type in one month?
Answer: Cross-sectional.
Rationale: Single-time snapshot.
19. Question: What method tracks infection rates quarterly post-hand hygiene campaign?
Answer: Time-series.
Rationale: Sequential trend analysis.
20. Question: What method synthesizes RCTs on telehealth for chronic disease?
Answer: Meta-analysis.
Rationale: Combines study results.
