Question: Experiments versus observational studies When either type of study is feasible, an experiment is usually preferred over an observational study. Explain why, using an example

Experiments versus observational studies When either type of study is feasible, an experiment is usually preferred over an observational study. Explain why, using an example to illustrate. Also explain why it is not always possible for researchers to carry out a study in an experimental framework. Give an example of such a situation.

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