MRTs

Design considerations for preparation, optimization, and evaluation of digital therapeutics
This chapter offers a conceptual framework that ties together two domains of design decisions for digital therapeutics—those related to …
Shawna N. Smith, Nicholas J. Seewald, Predrag Klasnja
Cite DOI
Design considerations for preparation, optimization, and evaluation of digital therapeutics
MRT-SS Calculator
An interactive sample size calculator for micro-randomized trials
Ji Sun, Nicholas J. Seewald, Peng Liao
Go to Application Code Manuscript
MRT-SS Calculator
Practical Considerations for Data Collection and Management in Mobile Health Micro-Randomized Trials
There is a growing interest in leveraging the prevalence of mobile technology to improve health by delivering momentary, contextualized …
Nicholas J. Seewald, Shawna N. Smith, Andy Jinseok Lee, Predrag Klasnja, Susan A. Murphy
Cite DOI arXiv PubMed
Efficacy of Contextually Tailored Suggestions for Physical Activity: A Micro-Randomized Optimization Trial of HeartSteps
BACKGROUND: HeartSteps is an mHealth intervention that encourages regular walking via activity suggestions tailored to the …
Predrag Klasnja, Shawna Smith, Nicholas J Seewald, Andy Lee, Kelly Hall, Brook Luers, Eric B Hekler, Susan A Murphy
Cite DOI PubMed
MRT-SS Calculator: An R Shiny Application for Sample Size Calculation in Micro-Randomized Trials
The micro-randomized trial (MRT) is a new experimental design which allows for the investigation of the proximal effects of a …
Nicholas J. Seewald, Ji Sun, Peng Liao
Cite arXiv