In a double-blind experiment, participants are both blindfolded and placed in a sound-proof chamber.

Question

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In a double-blind experiment, participants are not blindfolded or placed in a sound-proof chamber. Instead, both the participants and the experimenters administering the treatment are unaware of which group (control or experimental) the participants are assigned to. This is done to prevent any biases from affecting the results of the experiment.

In a Double-Blind Experiment, Participants Are Both Blindfolded and Placed