This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Study of time place and person is called as ? \nSelect and explain. \nA. Experimental epidemiology, B. Analytical epidemiology, C. Descriptive epidemiology, D. Randomised controlled trial', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Descriptive epidemiology Descriptive epidemiology (Descriptive studies) o Descriptive studies are usually the first phase of an epidemiological investigation. o These studies are concerned with observing the distribution of disease and identifying the characteristics with which the disease in question seems to be associated. Procedures in Descriptive Studies Defining the population to be studied Defining the disease under study Describing the disease by Time Place Person Measurement of disease Comparing with known indices Formulation of an aetiological hypothesis o Descriptive studies are used to formulate etiological hypothesis.", 'role': 'assistant'}]