1
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WGU D514 Questions and Answers (100%
Correct Answers) Already Graded 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
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characteristics. Unfortunately, causation cannot be determined
from the data available.Which research method should be used
to test the team's hypothesis?
Time-Series
Guru01 - Stuvia
Cross-Sectional
Pretest-posttest
Randomized Control Trial—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 patient clinical information and outcomes.Which
research method should be used?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial—Ans: Cross Sectional
A policy analyst is interested in determining if the prospective
payment system (PPS) has improved hospital efficiency over time
, 2
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during the past ten years. The sample for analysis consists of ten
years of data after the introduction of the PPS and includes
measures of efficiency and other relevant control variables. The
analyst hypothesizes that hospital efficiency should have
increased each year after the PPS was implemented.Which
research method should the analyst use?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial—Ans: Time-Series
Which type of data analysis could be used in quantitative
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research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
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Reporting the distribution of results or outcomes
Using categorical variables with 0=no and 1=yes—Ans: Reporting
the distribution of results or outcomes
What is a characteristic of qualitative research methods?
Utilizes large sample sizes
Determines causal relationships
Generalizes results to the population
Introduces subjectivity to data collection—Ans: 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
, 3
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the blood glucose levels for the group participating in the virtual
visits were evaluated.Which research method was used?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional—Ans: Cross-sectional
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
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is being used?
Case study
Cohort study
Guru01 - Stuvia
Meta-analysis
Literature review—Ans: 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?
Case study
Cohort study
Longitudinal study
Pre/post-study—Ans: 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
For Expert help and assignment solutions, +254707240657
WGU D514 Questions and Answers (100%
Correct Answers) Already Graded 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
© 2025 Assignment Expert
characteristics. Unfortunately, causation cannot be determined
from the data available.Which research method should be used
to test the team's hypothesis?
Time-Series
Guru01 - Stuvia
Cross-Sectional
Pretest-posttest
Randomized Control Trial—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 patient clinical information and outcomes.Which
research method should be used?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial—Ans: Cross Sectional
A policy analyst is interested in determining if the prospective
payment system (PPS) has improved hospital efficiency over time
, 2
For Expert help and assignment solutions, +254707240657
during the past ten years. The sample for analysis consists of ten
years of data after the introduction of the PPS and includes
measures of efficiency and other relevant control variables. The
analyst hypothesizes that hospital efficiency should have
increased each year after the PPS was implemented.Which
research method should the analyst use?
Time-Series
Cross-Sectional
Pretest-posttest
Randomized Control Trial—Ans: Time-Series
Which type of data analysis could be used in quantitative
© 2025 Assignment Expert
research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
Guru01 - Stuvia
Reporting the distribution of results or outcomes
Using categorical variables with 0=no and 1=yes—Ans: Reporting
the distribution of results or outcomes
What is a characteristic of qualitative research methods?
Utilizes large sample sizes
Determines causal relationships
Generalizes results to the population
Introduces subjectivity to data collection—Ans: 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
, 3
For Expert help and assignment solutions, +254707240657
the blood glucose levels for the group participating in the virtual
visits were evaluated.Which research method was used?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional—Ans: Cross-sectional
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
© 2025 Assignment Expert
is being used?
Case study
Cohort study
Guru01 - Stuvia
Meta-analysis
Literature review—Ans: 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?
Case study
Cohort study
Longitudinal study
Pre/post-study—Ans: 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
