What is an important reason for the use of random allocation of subjects to the

Question

What is an important reason for the use of random allocation of subjects to the different treatments? To ensure that the different treatment groups are as similar as possible in every way except for the treatment received To ensure that each subject in the trial receives the best possible treatment To guarantee that approximately the same number of subjects is assigned to each treatment group To guarantee that the results of the experiment can never be duplicated To protect the experimenters from legal action in the event that the experiment goes drastically awry

Explanation / Answer

The correct option is,

A To ensure that the different treatment groups are as similar as possible in every way

except for the treatment received.

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