collaborators

6 papers

cs.HC2026

Designing for the Moment: How One-Minute Interventions Fit or Falter Across Domains

Zahra Hassanzadeh, Anne Hsu, Rachel Kornfield +8

This paper explores the design space for one-minute digital interventions that prompt immediate action without onboarding or sensing. By embracing Fogg's Behavior Model and four de…

cs.LG2026

Tailored Behavior-Change Messaging for Physical Activity: Integrating Contextual Bandits and Large Language Models

Haochen Song, Dominik Hofer, Rania Islambouli +6

Contextual multi-armed bandit (cMAB) algorithms offer a promising framework for adapting behavioral interventions to individuals over time. However, cMABs often require large sampl…

cs.LG2025

Adaptive Experiments Under Data Sparse Settings: Applications for Educational Platforms

Haochen Song, Ilya Musabirov, Ananya Bhattacharjee +4

Adaptive experimentation is increasingly used in educational platforms to personalize learning through dynamic content and feedback. However, standard adaptive strategies such as T…

cs.HC2025

Fitting the Message to the Moment: Designing Calendar-Aware Stress Messaging with Large Language Models

Pranav Rao, Maryam Taj, Alex Mariakakis +2

Existing stress-management tools fail to account for the timing and contextual specificity of students' daily lives, often providing static or misaligned support. Digital calendars…

cs.HC2025

Perfectly to a Tee: Understanding User Perceptions of Personalized LLM-Enhanced Narrative Interventions

Ananya Bhattacharjee, Sarah Yi Xu, Pranav Rao +8

Stories about overcoming personal struggles can effectively illustrate the application of psychological theories in real life, yet they may fail to resonate with individuals' exper…

cs.HC2025

Investigating the Role of Situational Disruptors in Engagement with Digital Mental Health Tools

Ananya Bhattacharjee, Joseph Jay Williams, Miranda Beltzer +6

Challenges in engagement with digital mental health (DMH) tools are commonly addressed through technical enhancements and algorithmic interventions. This paper shifts the focus tow…