In a __________ study, the subjects do not know to which group they are assigned, but the researchers are aware of the subjects’ group assignments. a. double-blind b. placebo c. single-blind d. control - QAmmunity.org

In a __________ study, the subjects do not know to which group they are assigned, but the researchers are aware of the subjects’ group assignments. a. double-blind b. placebo c. single-blind d. control

asked Jun 10, 2023 172k views

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