Which of the following conditions distinguishes double blind studies used in health research?

Question

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In a double blind study, neither the members of the control group or the experimental group nor the person administering the treatment know who is receiving the experimental therapy. This helps to eliminate bias and ensure accurate results. Option B is incorrect because if both groups and the person administering the treatment know who is receiving the experimental therapy, the study is not truly blinded. Option C is incorrect because if the person administering the treatment knows who is receiving the placebo or standard therapy, it is not truly double blind. Option D is incorrect because if only members of the control group know they are receiving standard therapy, the study is still not truly double blind as the experimental group would know they are receiving the experimental therapy.

Which of the Following Conditions Distinguishes Double Blind Studies Used