Question: In a randomized controlled trial, the process by which both the researcher (clinician), and the subject are kept unaware of which group (test group or

In a randomized controlled trial, the process by which both the researcher (clinician), and the subject are kept unaware of which group (test group or control group) the subject has been assigned, is referred to as __________________________. A. Randomization B. Single blinding C. Double blinding D. Triple blinding

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