Prospective, Retrospective, Case-control, Cohort Studies

Study Design 101: Cohort Study cohort Cohort design is a type of nonexperimental or observational study design In a cohort study, the participants do not have the outcome of interest to begin cohort A cohort study is an observational study in which a study population is selected and information is obtained to determine which sub-

cohort The relative risk is a measure of association for a cohort study It tells us how much more likely it