Intro to Epidemiology Homework #4 Assignment 6.1 Study Designs [9 points total; 3 points each) For each pair listed below, explain the main differences between each of the following study designs. For discussion of differences for each of the pairs, write a short paragraph that includes the following information: ' Main differences between studies Advantages of each design ' Disadvantages of each design Appropriate use of each study design 0 Strength of evidence 1. Observational and experimental studies 2. Retrospective cohort and prospective cohort studies 3.Cohort and casecontrol studies