According to the requirements of "informed consent," what are research participants in a blind, placebo-controlled study told?

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In a blind, placebo-controlled study, research participants are typically told that they may or may not receive the treatment being studied. This is because some participants will receive the actual treatment while others will receive a placebo (i.e., a fake treatment that has no medical effect). The purpose of this type of study is to determine whether the treatment is truly effective, and informing participants that they may or may not receive the treatment helps ensure that the results of the study are not biased by participants' expectations or beliefs about the treatment. Participants are also typically told about the potential risks and benefits of participating in the study, and are given the opportunity to ask questions and withdraw their consent at any time.

According to the Requirements of "Informed Consent," What Are Research