(Grade A+)
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? -
correct answer ✅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?
-
correct answer ✅Cross-Sectional
A policy analyst is interested in determining if the prospective
payment system (PPS) has improved hospital efficiency over time
during the past ten years. The sample for analysis consists of ten
years of data after the introduction of the PPS and includes
,D514 Exam Questions & Answers
(Grade A+)
measures of efficiency and other relevant control variables. The
analyst hypothesizes that hospital efficiency should have increased
each year after the PPS was implemented. -
correct answer ✅Time-Series
Which type of data analysis could be used in quantitative research?
-
correct answer ✅Reporting the distribution of results or outcomes
What is a characteristic of qualitative research methods? -
correct answer ✅Introduces subjectivity to data collection.
Many physician practices now utilize an electronic health record
(EHR) system that includes a secure messaging feature. Some of
these practices have extended their contact with patients by
conducting virtual visits between people with diabetes and nurses
who are certified diabetes educators. The remote technology
includes the ability to monitor blood glucose data to determine if
these values are within goal range. After six months, the results of
the blood glucose levels for the group participating in the virtual
visits were evaluated. Which research method was used? -
correct answer ✅Cross-sectional
, D514 Exam Questions & Answers
(Grade A+)
A researcher wants to determine whether continuity of care is
improved with the use of coordination of care documents among
primary care physicians and specialists. The researcher decides to
review various published studies to assess the clinical effectiveness
of these documents on patient outcomes. Which research method
is being used? -
correct answer ✅Meta-analysis
The state public health researcher wants to begin a five-year
initiative to coordinate immunizations for children in the foster care
system. The results will be compared to previous years to measure
the effectiveness of the initiative. Which research method should
be used to study this initiative? -
correct answer ✅pre/post study
Using publicly reported data from Centers for Medicare & Medicaid
Services, researchers want to examine the relationship between 30-
day readmissions and mortality rates for patients with heart failure
at five facilities. Before this can be done, researchers need to
estimate mortality rates and readmission rates from heart failure.
Which statistical technique should be used to calculate the
estimated rates? -
correct answer ✅Regression analysis