Descriptive Epidemiology

Epidemiological studies(methods) 1.Observational. 2.Experimental. Observational:Based on field observation made on the experiments carried out by nature. 1.Descriptive. 2.Analytic. Descriptive Epidemiology/Studies:Observation of the distribution of a disease or health related characteristics in a community ,with reference to time, place and person and identifying the associated characteristics of the disease to formulate an etiological hypothesis.