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double dummy

— The use of two different placebos to achieve blinding when the treatments being compared in a study are obviously different; e.g. a tablet and an injection


Synonyms:

double dummy placebo

Full explanation:

An example of a double dummy would be where the treatments being compared involve both a tablet and an injection, so placebos for both would be needed.

See also:

blinding  ·  placebo

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