bn:00028364n
Noun Concept
EL
διπλή τυφλή  διπλή-τυφλή  τυφλή δοκιμή  τυφλό πείραμα
EN
A test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results WordNet 3.0
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