Exam (elaborations)
chda exam 2 with complete solutions 2024_2025
- Course
- Institution
chda exam 2 with complete solutions 2024_2025
[Show more]
Content preview
chda exam 2 with complete solutions2024/2025
___ are appropriate for comparing a summary statistic such as volume or an
average across groups - ANSWER-Bar graphs
____ are a useful method for displaying the relationship between two categorical
variables. - ANSWER-Contingency tables
____ is a service that enables the exchange of information across multiple
independent enterprises that have unilateral independent exchange data and in
which there is no access to personal health information - ANSWER-switch
____ is a statistical test that is used to test for relationships between categorical
variables - ANSWER-Chi-squared
_____ is a technology that allows an organization to logically link their physical
data repositories. The data are entered into the repositories by the organizations'
various "feeder" applications, and the users must be able to manipulate, update,
retrieve, and otherwise act on the data in real time while the data are stored in the
repositories - ANSWER-Online/real-time transaction processing (OLTP)
. HCUP is a family of databases maintained by _____.
a. CMS
b. HHS
,c. AHRQ
d. CDC - ANSWER-c. AHRQ
. If a sample size of 3 is to be selected from a population of 20 using systematic
random sampling, the analysis should select every _____ observation.
a. 6
b. 3
c. 7
d. 6.67 - ANSWER-6
Selecting every fifth or every tenth member of the sampling frame. If the
population includes N members and we wish to draw as sample of size n, then a
systemic random sample could be selected by choosing every N/nth member of
the population as the sample. The selection should start at random from a
member between the first and N/nth member. If N/n is not a whole number, then
round down to the next lower whole number to determine the sampling interval.
20/3 = 6.67; round down to 6
. The researcher's informed consent form stated that the patients' information
would be anonymous. Later, in the application form for IRB approval, the
researcher described a coding system to track respondents and nonrespondents.
The IRB returned the application to the researcher with the stipulation that the
informed consent must be changed. What raised the red flag?
a. The description of the use of a coding system to track respondents and
nonrespondents
b. The application form for the IRB approval
c. The researcher's informed consent form
d. The description of the use of a coding system to track respondents - ANSWER-
The description of the use of a coding system to track respondents and
nonrespondents
, . This type of performance measure indicates the result of the performance or
nonperformance of a function or process.
a. Outcome measure
b. Data measure
c. Process measure
d. System measure - ANSWER-outcome measure
101. The relationship between patient gender and readmission to the hospital is
best displayed using a _____.
a. Frequency chart
b. Contingency table
c. Bar chart
d. Pie chart - ANSWER-. Contingency table
103. In terms of grouping and reimbursement, how are the MS-LTC-DRGs and
acute-care MS-DRGs similar?
a. Relative weights
b. Divided into medical and surgical partitions
c. Categorization of low-volume groups into quintiles
d. Classification of short-stay outliers - ANSWER-b. Divided into medical and
surgical partitions
108. Which graph will provide the best presentation of patient gender for a clinic?
a. Pie chart
b. Scatter diagram
c. Bar chart
d. Line chart - ANSWER-a. Pie chart
120. Which of the following are used to report information about mortality and
morbidity at local, state, and national levels?
a. Rates, populations, and ratios
b. Ratios, proportions, and continuous variables
c. Proportions, populations, and continuous variables
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller tuition. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77858 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now