WGU D514 Exam 82 Questions with Verified
Answers
Time-series - CORRECT ANSWER 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
Cross Sectional - CORRECT ANSWER 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
,Time-Series - CORRECT ANSWER 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 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
Reporting the distribution of results or outcomes - CORRECT ANSWER Which type
of data analysis could be used in quantitative research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
Reporting the distribution of results or outcomes
Using categorical variables with 0=no and 1=yes
Introduces subjectivity to data collection - CORRECT ANSWER 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
, Cross-sectional - CORRECT ANSWER 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?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional
Meta-analysis - CORRECT ANSWER 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?
Case study
Cohort study
Meta-analysis
Literature review
Pre/post-study - CORRECT ANSWER 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?
Answers
Time-series - CORRECT ANSWER 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
Cross Sectional - CORRECT ANSWER 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
,Time-Series - CORRECT ANSWER 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 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
Reporting the distribution of results or outcomes - CORRECT ANSWER Which type
of data analysis could be used in quantitative research?
Reporting the gender of participants
Ranking the severity order with 1 as the worst and 4 as the best
Reporting the distribution of results or outcomes
Using categorical variables with 0=no and 1=yes
Introduces subjectivity to data collection - CORRECT ANSWER 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
, Cross-sectional - CORRECT ANSWER 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?
Time-series
Clinical trial
Pretest-posttest
Cross-sectional
Meta-analysis - CORRECT ANSWER 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?
Case study
Cohort study
Meta-analysis
Literature review
Pre/post-study - CORRECT ANSWER 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?
