Publications

Peer-reviewed journal and conference publications. { ^* } indicates equal contributions by the authors.

2024

Ask Less, Learn More: Adapting Ecological Momentary Assessment Survey Length by Modeling Question-Answer Information Gain.
Jixin Li, Aditya Ponnada, Wei-Lin Wang, Genevieve Dunton, and Stephen S Intille
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (PACM IMWUT) link

A Genre-Based Analysis of New Music Streaming at Scale.
Julie Jiang, Aditya Ponnada, Ang Li, Ben Lacker, and Sam F Way.
Proc. ACM Web Science Conf. (ACM WebSci) link

2023

Enabling Goal-Focused Exploration of Podcasts in Interactive Recommender Systems.
Yu Liang, Aditya Ponnada, Paul Lamere, and Nediyana Daskalova.
Proc. ACM Intelligent User Interfaces (ACM IUI) link

The ILHBN: Challenges, Opportunities, and Solutions from Harmonizing Data Under Heterogeneous Study Designs, Target Populations, and Measurement Protocols.
Chow, S. M., Nahum-Shani, I., Baker, J. T., Spruijt-Metz, D., Allen, N. B., Auerbach, R. P., … & Intensive Longitudinal Health Behavior Network (ILHBN), Bodovski Yosef, Wang Shirlene, Kaslander Jonathan, Chu Daniel, Ponnada Aditya, Braga De Braganca, Rebecca Schloesser, Dana Chi Guanqing, Rivera Daniel, Liebenthal Einat.
Translational Behavioral Medicine (TBM) link.

2022

Contextual Biases in Microinteraction Ecological Momentary Assessment (μEMA) Non-response.
Aditya Ponnada, Jixin Li, Shirlene Wang, Wei-Lin Wang, Bridgette Do, Genevieve F. Dunton, and Stephen S. Intille.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (PACM IMWUT) link
Distinguished Paper Award

Exploring Opportunities to Improve Physical Activity in Individuals with Spinal Cord Injury Using Context-Aware Messaging.
Rithika Lakshminarayanan, Alexandra Canori, Aditya Ponnada, Melissa Nunn, Mary Schmidt Read, Shivayogi V. Hiremath, and Stephen Intille
Proc. ACM Human-Computer Interaction (PACM CSCW) link

Intensive Longitudinal Data Collection using Microinteraction Ecological Momentary Assessment (μEMA): Pilot and Preliminary Results.
Aditya Ponnada, Shirlene Wang, Daniel Chu, Bridgette Do, Genevieve Dunton, and Stephen Intille
Journal of Medical Internet Research (JMIR): Formative Research link

Examining Whether Physical Activity Location Choices Were Associated With Weekly Physical Activity Maintenance Across 13 Months of the COVID-19 Pandemic in Emerging Adults.
Li Yi, Shirlene Wang, Daniel Chu, Aditya Ponnada, Stephen Intille, Genevieve Dunton
Journal of Physical Activity and Health (JPAH) link

Investigating Microtemporal Processes Underlying Health Behavior Adoption and Maintenance: Protocol for an Intensive Longitudinal Observational Study.
Shirlene Wang, Stephen Intille, Aditya Ponnada, Bridgette Do, Alexander Rothman, Genevieve Dunton
Journal of Medical Internet Research (JMIR): Research Protocols link

How Acute Affect Dynamics Impact Longitudinal Changes in Physical Activity Among Children.
Genevieve Dunton, Wei-Lin Wang, Stephen Intille, Eldin Dzubur, Aditya Ponnada, Donald Hedeker
Journal of Behavioral Medicine (JBM) link

2021

Measuring Criterion Validity of Microinteraction Ecological Momentary Assessment (Micro-EMA): Exploratory Pilot Study with Physical Activity Measurement.
Aditya Ponnada, Binod Thapa-Chhetry, Justin Manjourides, and Stephen Intille.
Journal of Medical Internet Research (JMIR): mHealth and uHealth link

Signaligner Pro: A Tool to Explore and Annotate Multi-day Raw Accelerometer Data.
Aditya Ponnada, Seth Cooper, Qu Tang, Binod Thapa-Chhetry, Josh Miller, Dinesh John, and Stephen Intille
Proc. IEEE Pervasive Computing and Communications Workshops (IEEE PerComm Workshops) link

An Empirical Example of Analysis Using a Two-stage Modeling Approach: Within-subject Association of Outdoor Context and Physical Activity Predicts Future Daily Physical Activity Levels.
Chih-Hsiang Yang, Jaclyn P Maher, Aditya Ponnada, Eldin Dzubur, Rachel Nordgren, Stephen Intille, Donald Hedeker, and Genevieve F Dunton
Translational Behavioral Medicine (TBM) link

Engaging social connections to promote physical activity in individuals with spinal cord injury
Alexandra Canori, Rithika Lakshminarayanan, Aditya Ponnada, Stephen Intille, and Shivayogi Hiremath.
Archives of Physical Medicine and Rehabilitation link

2020

Towards Personal Hand Hygiene Detection in Free-living Using Wearable Devices.
Qu Tang, Aditya Ponnada, Stephen Intille.
Machine Learning for Mobile Health Workshop @ NeurIPS link
Selected for spotlight presentation

MixWILD: A Program for Examining the Effects of Variance and Slope of Time-varying Variables in Intensive Longitudinal Data.
Eldin Dzubur, Aditya Ponnada, Rachel Nordgren, C-H Yang, Stephen Intille, Genevieve Dunton, and Donald Hedeker
Behavior Research Methods link

2019

Designing Videogames to Crowdsource Accelerometer Data Annotation for Activity Recognition Research.
Aditya Ponnada, Seth Cooper, Binod Thapa-Chhetry, Josh Aaron Miller, Dinesh John, and Stephen Intille
Proc. ACM Computer-Human Interaction in Play (ACM CHI PLAY) link

2017

A Sociotechnical Study of a Community-based Rewards Program: Insights on Building Social, Financial and Human Capital.
Farnaz Irannejad Bisafar, Aditya Ponnada, Ameneh Shamekhi, and Andrea G. Parker
Proc. ACM Human-Computer Interaction (PACM CSCW) link

Microinteraction Ecological Momentary Assessment Response Rates: Effect of Microinteractions or the Smartwatch?
Aditya Ponnada, Caitlin Haynes, Dharam Maniar, Justin Manjourides, and Stephen Intille
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (PACM IMWUT) link

2016

μEMA: Microinteraction-based Ecological Momentary Assessment (EMA) using a Smartwatch.
Stephen Intille, Caitlin Haynes, Dharam Maniar, Aditya Ponnada, and Justin Manjourides
Proc. ACM Pervasive and Ubiquitous Computing (UbiComp) link

Exploring Regional User Experience for Designing Ultra Low-Cost Smart Phones.
Sanjay Ghosh, Sarita Seshagiri, and Aditya Ponnada. 2016.
Proc. ACM Extended Abstracts on Human Factors in Computing Systems (CHI EA) link

2013

Trusting Digital Chameleons: The Effect of Mimicry by a Virtual Social Agent on User Trust. Frank Verberne, Jaap Ham, Aditya Ponnada, and Cees Midden.
Proc. Persuasive Technology (PERSUASIVE) link
Best Paper Award

Dissertation

Measuring Subjective Experiences using Wearable Microinteractions.
Aditya Ponnada (2021). Northeastern University, Boston, MA
Thesis committee: Prof. Stephen Intille (Northeastern Univ.), Prof. Genevieve Dunton (Univ. of Southern California), Prof. Matthew Goodwin (Northeastern Univ.), and Prof. Justin Manjourides (Northeastern Univ.). link