What is a factorial trial?

Randomized controlled trials (RCTs), typically, randomize participants to one of two intervention groups. It has been shown, however, that about 25% of RCTs published in the scientific literature randomize participants to three or more treatment groups. These studies are called 'multi-arm'...

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Bibliographic Details
Main Authors: Cipriani, A, Barbui, C
Format: Journal article
Language:English
Published: 2013