About The Medical Condition Cross-Over Design

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Find the definition of the medical term Cross-Over Design. Cross-Over Design defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Cross-Over Design

Cross-Over Design Medical Condition Defined & Explained
Cross-Over Design Medical Condition

What's The Definition Of The Medical Condition Cross-Over Design?

Studies comparing two or more treatments or interventions in which the subjects or patients, upon completion of the course of one treatment, are switched to another. In the case of two treatments, A and B, half the subjects are randomly allocated to receive these in the order A, B and half to receive them in the order B, A. A criticism of this design is that effects of the first treatment may carry over into the period when the second is given. (Last, A Dictionary of Epidemiology, 2d ed)

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