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Potential benefits of a randomized clinical trial

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All of the following are potential benefits of a randomized clinical trial, except: The external validity of the study is increased.

Why is self-selection for a particular treatment is eliminated not correct? How is self-selection bias in a randomized clinical trial eliminated? The answer to the Chapter's review questions did not cover these aspects of the question.

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When we are randomly assigning subjects to the groups, there is no self-selection bias. So this is a potential benefit of randomization. Self selection bias is like this. If the subjects know that they are being given a particular type of ...

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The potential benefits of a randomized clinical trial are discussed.