triple-blind study

triple-blind study

A double-blind study in which, in addition, the identities of those enrolled in the study and control groups and/or the details about the nature of the interventions (for example, experimental medications), are withheld from the statistician(s) who conduct the analysis of the data.

triple-blind study

A study in which knowledge of the treatment assignment(s) is concealed from the people who organise and analyse the data of a study as well as from subjects and investigators.