Describe different types of studies used in observational and experimental studies in epidemiology.

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The Answer is The different types of studies used in observational study include cohort and case-control studies. These studies look at specific groups of people who have experienced a health condition or event and compare against those who have not experienced the condition. Cohort studies can be prospective or retrospective, which means they either follow a population concurrently through time or start with an outcome and utilize data to go back in time to determine exposure. These studies help the researcher to better understand those who are experiencing a health condition and what may lead to the condition, for example. The experimental study involves the randomized clinical trial and quasi-experimental studies.

Describe Different Types of Studies Used in Observational and Experimental