Discussion: Design an Observational Study

Health issue: Pertussis 

Posta comprehensive observational study design proposal for your chosen topic. Your answer should include your responses to the following questions: 

• State your research question, and identify whether it is a case-control study or cohort study.
• Explain what you hope to learn from your proposed observational study.
• Identify your independent (exposure) and dependent (outcome; health issue) variables. Note: You may have more than one independent variable for a case-control study and more than one dependent variable for a cohort study.
• Explain how you will measure your variables.
• Identify the participants of your proposed observational study. Be as specific as possible regarding their characteristics.
• If you chose a case-control study design, explain your selection criteria for cases and controls. Justify why you selected a case-control study design. Identify the measure of association for your study.
• If you chose a cohort study, explain the type of cohort study you have selected. Justify why you selected a cohort study design. Identify the measure of association for your study.

Use complete sentences in writing your Discussion post, cite your sources, and include references in APA format. Ensure that your in-text citations and reference list are in APA format. For more information on APA style, use the following Walden University resource:

• Walden University Writing Center. (2019). APA style: Overview. Retrieved from