WGU D514 Questions and Correct Answers/ Latest Update / Already 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 Cross-Sectional Pretest-posttest Randomized Control Trial 2 | P a g e Ans: 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 patie