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Experimental and observational studies

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What are the pros and cons of conducting an experimental versus an observational study? What are examples of these studies? Can both types of studies be used for all projects? Explain why or why not.

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The experimental method establishes cause and effect. The other pros are that the information from an experiment is empirical, reliable, systematic, and verifiable. The experimental method can be replicated. There is precise control of variables. The disadvantages of the experimental methods include that lab settings may inhibit natural behavior. The experiments in laboratory are very artificial. The participants behave differently because they know that they are being observed.

In an observation method there is direct access to the phenomena being observed. There is a ...

Solution Summary

The answer to this problem explains the differences between experimental and observational study. The references related to the answer are also included.