Weight: 20 per cent of your course grade
Date due: After Unit 8
Answer the following questions. Your answers should present the concept
precisely and include an example to demonstrate that you understand the topic.
You are encouraged to use supplemental references to help you present a
thorough answer.
Part A
Assignment
Objective: To critically analyse
the evaluation of a screening test.
Please select a study
outlining the evaluation of a screening test from the peer-reviewed literature.
Prepare up to a 3-page
critique (single space, using
12-point font and 1-inch margins; referencing: www.nlm.nih.gov/citingmedicine/.) summarizing the article, focusing on the following
issues:
1.
Please prepare a brief
summary of this article.
2.
Was there an
independent blind comparison with a reference (Gold) standard of diagnosis?
3.
Was the diagnostic
test evaluated in an appropriate spectrum of patients (Like those you would
meet in clinical practice)?
4.
Was the test validated
in a second, independent group of patients?
5.
Was the reference standard
applied regardless of the test results?
6.
Are there any
associated biases that may affect the conclusions reached in this study?
A legible copy or if
online, a link to the url of all selected papers must be attached to the
critique.
Part B
Each of your answers should be at least one paragraph in length.
1.
Distinguish between
“primary prevention” and “secondary prevention.” What are some considerations
when implementing primary and secondary prevention programs?
2.
Briefly describe a
population approach and a high–risk approach to reducing the incidence of AIDS.
3.
Define the term
“incubation period”. Why is it important for public health personnel to know
the incubation period of a disease?
4.
What descriptors are
used to characterize the distribution of cases in a disease outbreak?
5.
Define the term
“five–year survival rate”. Explain why five years is used as the time period.
Assignment files
should be prepared using MS Word to allow your tutor to insert comments and
feedback.
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