Problem:
1. Describe the common characteristics and design of a case-control study. Discuss the three important features when it comes to selecting cases and controls, and identify a situation when one of these might be violated. 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. Include in-text citations and your references. Need Assignment Help?
2. Discuss the strengths and weaknesses of cross-sectional studies and provide examples of how they can be descriptive or analytic study designs. 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. Do not discuss examples used in the textbook. Include in-text citations and your references.