In a randomized controlled trial, the probiotic Bifidobacterium animalis subsp. lactis—used in many probiotic products, including Dannon’s Activia yogurts—did nothing to improve bowel health in people with constipation, according to data from a randomized triple-blind placebo-controlled clinical trial Wednesday in JAMA Network Open.
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TF is triple blind? I’m familiar with blind (participant) and double blind (participant + experimenter), but who the hell is the third person?
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Per Google, “In a triple-blind study, the assignment is hidden not only from participants and experimenters, but also from the researchers analyzing the data.”
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