Question: In a randomized controlled trial, a single blinded design means that A. the participants don't know the objectives of the study. B. the researchers don't

In a randomized controlled trial, a single blinded design means that A. the participants don't know the objectives of the study. B. the researchers don't know which participants are in the control or the treatment groups. C. the participants don't know whether they're in the control or the treatment group. D. the researchers don't know the objectives of the study

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