Frequently Asked Questions about Micro-Randomized Trials (MRTs)

blank sample MRT schematicJanuary 17, 2019:

In micro-randomized trials (MRTs), individuals are randomized hundreds or thousands of times over the course of the study. The goal of these trials is to optimize mobile health interventions by assessing the effect of intervention components and assessing whether the intervention component effects vary with time or an individual’s current context. In an effort to help researchers understand MRTs, we have developed a list of answers to frequently asked questions about these trials. This webpage can be used to answer your specific questions, or you can read the entire page to understand the use and design of MRTs. ​

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