WGU D514 ANALYTICAL METHODS OF HEALTHCARE LEADERS OA EXAM
2025/2026 TEST BANK COMPLETE QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
After reviewing a quality report from a large urban hospital, an administrator decided to
implement a new initiative to improve communication among healthcare professionals. The
hospital administrator conducted a survey on safety and error prevention that revealed that
ineffective or insufficient communication among team members is a significant contributing
factor to adverse events. Which source of data would have been used to highlight patient
perception of care?
HCAHPS scores
Staff turnover rates
HIPAA violation lists
Prescription data
HCAHPS scores
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
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
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 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
Time-Series
Several community health centers across a rural state are gathering data on their prediabetic
patients and using A1c levels as a baseline measurement to include patients in a research project.
Three different interventions will be applied. One group of patients will receive a special diet to
follow; the second group will work with physical therapists on a regular exercise program; the
third group will follow the diet and engage in the exercise.
Which statistical test will be appropriate to use to determine which treatment is most effective in
controlling pre-diabetes?
ANOVA
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
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
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?
Time-series
, Clinical trial
Pretest-posttest
Cross-sectional
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 is being used?
Case study
Cohort study
Meta-analysis
Literature review
Meta-analysis
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?
t-test
Analysis of variance
Regression analysis
Pearson product-moment correlation coefficient
Regression analysis
Researchers want to determine if a particular risk factor or risk factors are associated with the
frequency for nonelective readmission within 30 days among patients with diabetes in a
metropolitan area. The variables of interest include age, gender, race/ethnicity, and insurance
status. Which statistical technique should be used?
Mann-Whitney U test
Bayesian approach
Regression analysis
Wilcoxon signed-rank test
Regression analysis
A hospital researcher is interested in investigating the association between hospital ownership
(i.e., government, investor, and not-for-profit) on overall hospital quality scores. Research
Methods cross-sectional data set of all urban hospitals from eight states is used in this study. The
data were obtained from various administrative databases: Medicare Hospital Cost Report
2025/2026 TEST BANK COMPLETE QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
After reviewing a quality report from a large urban hospital, an administrator decided to
implement a new initiative to improve communication among healthcare professionals. The
hospital administrator conducted a survey on safety and error prevention that revealed that
ineffective or insufficient communication among team members is a significant contributing
factor to adverse events. Which source of data would have been used to highlight patient
perception of care?
HCAHPS scores
Staff turnover rates
HIPAA violation lists
Prescription data
HCAHPS scores
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
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
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 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
Time-Series
Several community health centers across a rural state are gathering data on their prediabetic
patients and using A1c levels as a baseline measurement to include patients in a research project.
Three different interventions will be applied. One group of patients will receive a special diet to
follow; the second group will work with physical therapists on a regular exercise program; the
third group will follow the diet and engage in the exercise.
Which statistical test will be appropriate to use to determine which treatment is most effective in
controlling pre-diabetes?
ANOVA
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
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
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?
Time-series
, Clinical trial
Pretest-posttest
Cross-sectional
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 is being used?
Case study
Cohort study
Meta-analysis
Literature review
Meta-analysis
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?
t-test
Analysis of variance
Regression analysis
Pearson product-moment correlation coefficient
Regression analysis
Researchers want to determine if a particular risk factor or risk factors are associated with the
frequency for nonelective readmission within 30 days among patients with diabetes in a
metropolitan area. The variables of interest include age, gender, race/ethnicity, and insurance
status. Which statistical technique should be used?
Mann-Whitney U test
Bayesian approach
Regression analysis
Wilcoxon signed-rank test
Regression analysis
A hospital researcher is interested in investigating the association between hospital ownership
(i.e., government, investor, and not-for-profit) on overall hospital quality scores. Research
Methods cross-sectional data set of all urban hospitals from eight states is used in this study. The
data were obtained from various administrative databases: Medicare Hospital Cost Report
