Control groups in clinical trials are always expected to show no change in the variable of interest over time.

Name: Control groups in clinical trials are always expected to show no change in the variable of interest over time.
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Question

Quizplus · Accepted Answer

Control groups in clinical trials are not always expected to show no change; they serve as a baseline to compare the effects of the intervention, and changes can occur due to various factors like placebo effect or natural progression of a condition.

Control Groups in Clinical Trials Are Always Expected to Show