46 citations · 54 across the 15 of their papers we have counts for
6 papers · 1 filter
Beyond Screen Time: Demonstrating the Value of App Activity Logs to Understand User Behavior Further
Ole Schmitt, Pauline Gieseler, Frederik Riedel +4
Research on smartphone use remains fragmented, with studies differing in measures, methods, and platforms, limiting what we know about everyday behavior. We argue that event-level…
The CAST-framework: Measure and model social media use as a multi-level phenomenon through real-world applications
David Grüning, Jasper Doeninghaus, Zina Efchary +8
Designing social media experiences that support well-being requires understanding when, how, and for whom use matters. Screen-time totals omit content and context, and connecting t…
How do people plan digitally: An in-the-wild investigation of task planning through a smartphone app
Srija Halder, Isabella Zimmermann, Linnea Körte +3
Daily planning supports goal attainment and productivity, and people increasingly delegate it to digital tools. Plans are postponed, revised, and left unresolved rather than execut…
The ABC of digital health: A framework for translating digital health interventions into real-world applications
David Grüning, Vincent Beermann, Jan Enkmann +3
Research-based digital health interventions are often presented as potential solutions for extending health care in the real world. Yet the vast majority of these interventions fai…
Bloom: Designing for LLM-Augmented Behavior Change Interactions
Matthew Jörke, Defne Genç, Valentin Teutschbein +7
Large language models (LLMs) offer novel opportunities to support health behavior change, yet existing work has narrowly focused on text-only interactions. Building on decades of H…
GPTCoach: Towards LLM-Based Physical Activity Coaching
Matthew Jörke, Shardul Sapkota, Lyndsea Warkenthien +4
Mobile health applications show promise for scalable physical activity promotion but are often insufficiently personalized. In contrast, health coaching offers highly personalized…