BCSS 2026
International Workshop on Behavior Change Support Systems 2026

Table of Contents

• Preface
  Summary: 14 manuscript submissions were received for the workshop, and after external review, 7 submissions were accepted as full papers and 3 submissions were accepted as short papers for this volume.
• Introduction to the 14th International Workshop on Behavior Change Support Systems 1-5
  Sharon Nabwire, Harri Oinas-Kukkonen

Session 1: Theory and Impact

• Environmental Impact Analysis of Social Media Usage via Eco-Impact Tracker 6-18
  Helen Batuwantudawa, Md Tanvir Hasan, Md Sanaul Haque, SM Musfequr Rahman, Jari Porras
• Behavior Change Support Systems from a Self-Control Theory Perspective: A Systematic Literature Review Across Domains 19-34
  Jan M. Enkmann
• Persuasive Software Features for a Behavior Change Support for Alleviating Academic Procrastination: A Scoping Review 35-44
  Emma Kemppainen, Harri Oinas-Kukkonen
• Persuasive System Design for VR Meditation: A Design Science Approach to Enhancing Cognitive Absorption 45-60
  Shahriar Iqbal, Juho Mattila, Rosanna E. Guadagno

Session 2: Frameworks and Architectures

• Design of a Personalized Persuasive System Based on Estimated Psychological Traits for Promoting Physical Activity and Experimental Evaluation 61-69
  Shoji Hayakawa, Tatsuya Yamamoto, Masanori Shiraishi, Yuta Masuda, Takuya Kamimura
• UMI: Universal Modular Intervention Framework to Accelerate Behavior Change Support Systems Research 70-77
  Tatsuya Yamaguchi, Moe Matsuki, Saki Katagiri, Masaki Ishihara
• Balancing Personalization and Protocol Fidelity: A Protocol-Guided Dialogue Architecture for LLMs within Cognitive Behavioral Therapeutic Interventions 78-86
  B.C.M. Devilee, Bin Yu, Simone M. de Droog, Somaya Ben Allouch
• RADAR: A Mnemonics-Based Framework for Designing Educational Serious Games for Retrieval Practice 87-100
  Kiemute Oyibo
• Stakeholders' Perceptions of the Persuasive Features Supporting Continuous Engagement in Weight- Management Applications 101-116
  Elena Vlahu-Gjorgievska, Phyu Thant Hlaing Khin, Khin Than Win

Session 3: Grand Challenges

• Future Directions for Behavior Change Support Systems 117-126
  Sriram Iyengar, Rosanna E. Guadagno, Alberto F. Olivieri, Jaap Ham, Harri Oinas-Kukkonen