Article
A matched crossover design for clinical trials.
Contemporary clinical trials - 1 Sept 2007
Simon Laura J, Chinchilli Vernon M
Abstract excerpt
Two design principles are used frequently in clinical trials: 1) A subject is "matched" or "paired" with a similar subject to reduce the chance that other variables obscure the primary comparison of interest. 2) A subject serves as his/her own control by "crossing over" from one treatment to another during the course of an experiment. There are situations in which it may be advantageous to use the two design...
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