Informing prospective study participants that random assignment will be used to place subjects in the control and experimental groups jeopardizes the ethics of the study by creating selection bias.

Question

Quizplus · Accepted Answer

Informing participants about random assignment does not create selection bias; it is an ethical requirement to ensure informed consent. Selection bias occurs when the process of selecting participants leads to a non-representative sample, not from informing them about random assignment.

Informing Prospective Study Participants That Random Assignment Will Be Used