Question

DB# 3: Association, causality, and Study Design-Due 1/15 After answering the questions select another student's answsers and find one you disagree with. Explain why. 1. Describe what a multimodal curve is in your own words applying the information you learned in biostatistics on this subject. a. What is the significance of a multimodal curve in epidemiology? 2. What does "ascertain" mean? Explain it in your own words and use it in a sentence relat to epidemiology. 3. Cases of gastrointestinal illness that occurred during an epidemic of Salmonella were distributed unimodally. a. Describe in your own words what this type of curve would look like. b. Why is this type of curve so important for epidemiology? 4. What are the 3 most important criteria to be addressed before designing a screening test? Justify each selection. There is additional lecture material on BB to assist you with this question. a. b. с.

Answer 1