MATH 141 (MPH202)

MPH 202 - final exam_sample_answer Key : Pennsylvania State University Last document update:   ago

MPH 202 Final Exam 4 points per question Section 1 (60 points) True/False (circle one answer) 1. In a cohort study, we start with exposure status and measure disease risk. T / F 2. A confounder must be an intermediary variable on the causal pathway between exposure and disease. T / F 3. Participants in a cohort study should be selected based on their disease status. T / F 4. We should not use a randomized trial to study a harmful exposure. T / F 5. Confounding is not the fault of the i...