Nicholas J. Seewald, PhD
Nicholas J. Seewald, PhD
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MRTs
MRT-SS Calculator
An interactive sample size calculator for micro-randomized trials
Ji Sun
,
Nicholas J. Seewald
,
Peng Liao
Go to Application
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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
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