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OpenStudy (anonymous):
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OpenStudy (anonymous):
Which of the following is the best term for the type of experiment described below? Fifty people are randomly selected to participate in a clinical drug trial in which one half will receive the actual drug and the other half will receive a placebo. Neither the researchers conducting the experiment nor the subjects participating will know who receives which. A. Biased experiment B. Randomized experiment C. Controlled experiment D. Double-blind experiment
OpenStudy (anonymous):
D. Double-blind experiment.
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