Double-Blind Method

**Definition:** A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment.

**Tree numbers:** - E05.318.370.300 - E05.581.500.300 - N05.715.360.325.320 - N06.850.520.445.300

**Synonyms:** - Double-Blind Study - Double-Masked Method - Double-Masked Study