What Methods are Used in Epidemiological Research?
Epidemiologists use a variety of research methods, including:
Descriptive Studies: Characterize the distribution of diseases by person, place, and time. Analytical Studies: Investigate the determinants of diseases, often using case-control and cohort study designs. Experimental Studies: Test the efficacy of interventions through randomized controlled trials. Surveillance Systems: Monitor and track disease incidence and prevalence.