PRE-ASSESSMENT: ANALYTICAL METHODS OF

PRE-ASSESSMENT: ANALYTICAL METHODS OF

HEALTH LEADERS (RAO2) (PRAO) 2025/2026

QUESTIONS WITH VERIFIED CORRECT

ANSWERS A+ GRADED

The quality improvement team is reviewing quarterly incident reports and evaluating the effect of Six Sigma strategies on the quantity of medication errors over the past two years. The team hypothesizes a continuous reduction in medical errors for each quarter. The sample consists of patient clinical and demographic characteristics. Unfortunately, causation cannot be determined from the data available. Which research method should be used to test the team's hypothesis? - <<>>Time-series

A hospital researcher has access to one year of hospital emergency department claims data. The researcher is investigating the association of race on the timeliness of delivery of care. The sample includes information on patient demographics, insurance information, and emergency department factors. Due to patient confidentiality, the sample does not include patient clinical information and outcomes.Which research method should be used? - <<>>Cross-sectional

A hospital is experiencing a high rate of nursing turnover during the first year at the hospital. There are many theories as 1 / 2

to why turnover in this cohort is so high. The chief executive officer (CEO) has asked the nursing director to study this further and develop some tactics to improve nursing retention.The director plans to gather data, conduct some statistical analysis, and report back to the CEO with an improvement plan. How should the nursing director apply cluster analysis to study this issue? - <<>>By grouping nurses into categories related to the reasons they resigned

A healthcare administrator decided to implement email safety training classes for all employees after reading about computer hacks through phishing. An exam was given to the employees after the training. How should the organization use the pass rate data from the assessment? - <<>>To see if additional educational efforts are needed

A hospital would like to reduce the outstanding accounts receivables with large amounts. The chief financial officer (CFO) asked the director of patient accounts to identify delinquent accounts based on patient demographics to create a collection process through the patient portal. How should the CFO use the data? - <<>>To implement improvements in the revenue cycle process

Research has determined that the number of sleep interruptions in patients with fibromyalgia has a detrimental impact on the clinical outcome of the disease. The data from

the research are given in the following table: How should the

researcher use the data in this study? - <<>>To

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