Publications and Presentations

Peer-reviewed publications

Kravitz, R.L., Aguilera, A., Chen, E.J., Choi, Y.K., Hekler, E., Karr, C., Kim, K.K., Phatak, S., Sarkar, S., Schueller, S.M. and Sim, I., (2020). Feasibility, Acceptability, and Influence of mHealth-Supported N-of-1 Trials for Enhanced Cognitive and Emotional Well-Being in US Volunteers. Frontiers in public health8, p.260

Phatak, S.S., Freigoun, M.T., Martin, C.A., Rivera, D.E., Korinek, E.V., Hekler, E.B. (2018) Modeling Individual Differences: A Case Study of the Application of System Identification for Personalizing a Physical Activity Intervention. Journal of Biomedical Informatics. PDF.

Korinek, E.V., Phatak, S.S., Martin, C.A., Freigoun, M.T., Rivera, D.E., Adams, M.A., Klasnja, P., Buman, M.P., Hekler, E.B. (2018) Adaptive Step Goals and Rewards: A Longitudinal Growth Model of Daily Steps for a Smartphone-based Walking Intervention. Journal of Behavioral Medicine, 1-13. PDF.

Hekler, E.B, Rivera D.E., Martin C.A., Phatak, S.S., Freigoun, M.T., Korinek, E.V., Klasjna, P., Adams, M.A., Buman, M.P. (2018) Tutorial for using control systems engineering to optimize adaptive mobile health interventions. Journal of Medical Internet Research. DOI.

Conference proceedings

Eric B. Hekler, Jennifer C. Taylor, Steven P. Dow, Michèle Morris, Faren J. Grant, Sayali S. Phatak, Don Norman, m.c. schraefel, and Dana M. Lewis. 2019. Exploring, Defining, & Advancing Community-Driven Design for Social Impact. In Companion Publication of the 2019 on Designing Interactive Systems Conference 2019 Companion (DIS ’19 Companion). Association for Computing Machinery, New York, NY, USA, 373–376. DOI:

Phatak, S.S, Chen, E., Schueller, S.M., Sim, I., Kravitz R.L., Schmid, C.H., Hekler, E.B. (2018) Design of a Large-scale Self-Experimentation Tool for Scientific Self-Explorations. In Proceedings of 12th International Conference on Pervasive Computing Technologies for Healthcare (PervasiveHealth ’18). ACM, New York, NY, USA. DOI.

Freigoun, M.T. Martin, C.A., Magann, A.B., Rivera, D.E., Phatak, S.S., Korinek, E.V., Hekler, E.B. (2017). System identification of Just Walk: A behavioral mHealth intervention for promoting physical activity. In Proceedings of the American Control Conference. IEEE. PDF.


Bentley, F., Hekler, E.B., Consolvo, S., Phatak, S.S. (2017) Mobile User Research: A Practical Introduction to Theory and Methods. Morgan and Claypool. DOI.

Workshops and Presentations 

Phatak S.S., Chen, E., Schueller, S.M., Sim, I., Kravitz, R.L., Schmid, C.H., Hekler E.B. (2018) Design of a Large-scale Self-Experimentation Tool to Promote Scientific Self-Explorations, Supporting Health by Technology Conference, Enschede, Netherlands. Slides.

Phatak, S.S, Lee, J., Hadjimichael, M., (2017). Supporting Reliable Data Collection in Self-Experimentation. Digital Health and Self-Experimentation Workshop, CHI 2017, Denver, CO. PDF.

Phatak, S.S., Hekler, E.B., Rivera, D.E., Martin, C.A., (2016). Just Walk Study: Building a Dynamical System Model to Predict “Ambitious but Doable” Daily Goals. Symposium; Society of Behavioral Medicine Conference, Washington, DC.

Hekler, E.B., Phatak S.S., Coleman A. (2016). Exploring the use of proximity sensors in just-in-time adaptive interventions. Webinar. Health Data Exploration Project, University of California at San Diego.