Definition Blind study - double-blind study

With a blind study approach, participants are unaware if they are part of the experimental process or the control group. Blind studies can be used in the test phase of a new drug so that test subjects do not know if they are actually receiving it or not. In a double-blind study, neither the recipients nor the doctors know who is actually receiving the drug. Blind or double-blind studies are used to avoid distortion effects. Therefore, the views of both subjects and supervising physicians are largely excluded from the experimental process.

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