What is another word for double-blind procedure?
Pronunciation: [dˈʌbə͡lblˈa͡ɪnd pɹəsˈiːd͡ʒə] (IPA) 
The term "double-blind procedure" is commonly used in research studies to describe a technique where neither the participants nor the researchers in charge of the experiment know who is receiving the experimental treatment and who is receiving the placebo. Synonyms for this term include "double-masked" which is often used in medical contexts, as well as "double-dummy" which refers specifically to studies where both the experimental treatment and the placebo are presented in a similar format. Another term used in the social sciences is "hidden observer" which describes a similar concept where observers are not aware of the experimental conditions. These synonyms help to clarify the practice of double-blind procedures across various fields of research.
