Selected Publications

Exploring the State-of-Receptivity for mHealth Interventions
Published
,
2019
Florian Kunzler, Varun Mishra, Jan-Niklas Kramer, Davis Kotz, Elgar Fleisch, Tobias Kowatsch
In this work, we explore the factors affecting users’ receptivity towards Just-In-Time Adaptive Interventions (JITAI).
Continuous Detection of Physiological Stress with Commodity Hardware
Published
,
2020
Varun Mishra, Gunnar Pope, Sarah Lord, Stephanie Lewia, Byron Lowens, Kelly Caine, Sougata Sen, Ryan Halter, and David Kotz
Use cheap, nonclinical sensors to capture physiological signals and make inferences about the wearer’s stress level based on that data.
Which Components of a Smartphone Walking App Help Users to Reach Personalized Step Goals? Results From an Optimization Trial.
Accepted
,
2020
Jan-Niklas Kramer, Florian Künzler, Varun Mishra, Shawna N. Smith, David Kotz, Urte Scholz, Elgar Fleisch, and Tobias Kowatsch
To evaluate the effects of incentives, weekly planning, and daily self-monitoring prompts that were used as intervention components as part of the Ally app.
Investigating Intervention Components and Exploring States of Receptivity for a Smartphone App to Promote Physical Activity: Protocol of a Microrandomized Trial
Published
,
2019
Jan-Niklas Kramer, Florian Künzler, Varun Mishra, Bastien Presset, David Kotz, Shawna Smith, Urte Scholz, and Tobias Kowatsch.
The primary objective of this study is to quantify main effects, interactions, and moderators of 3 intervention components of a smartphone-based intervention for physical activity.

My AH Lab Projects