A randomized clinical trial is a type of study that:
A)studies the effectiveness of medical treatments on actual patients.
B)compares two or more treatments by surveying subjects who were prescribed these treatments.
C)is always a double-blind experiment.
D)is always a block design.

Question

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A randomized clinical trial is a study that involves randomly assigning patients to different treatment groups and then comparing their outcomes. This type of study is used specifically to assess the efficacy of medical treatments on actual patients.

A Randomized Clinical Trial Is a Type of Study That