Describe the common characteristics and design of a case-control study.

Part 1
A) Describe the common characteristics and design of a
case-control study.
B) Discuss the three important features when it comes to
selecting cases and controls and identify a situation when one of these might
be violated.
c)Discuss the limitations of using questionnaires for
determining exposure status and provide examples of alternative strategies for
collecting this information in a case-control study.

Part 2
A) Discuss the strengths and weaknesses of cross-sectional
studies and examples of how they can be “descriptive” or
“analytic” study designs.
B) Discuss an example of a disease where survival could
influence the association between a possible exposure and the disease when measured
with a cross-sectional study.
six references are required for this assignment

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