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Formative Evaluation of Digital Health Interventions (5202) Web-based and Mobile Health Interventions (5877) Human Factors and Usability Case Studies (1314) Prevention and Health Promotion (2273) Participatory Design and Participatory Research (534) Chatbots and Conversational Agents (1193) Innovations and Technology for Physical Activity Education (1072) Generative Language Models Including ChatGPT (1553)

Published on in Vol 8 (2024)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/51571, first published .
Person holding tablet displaying "Phyllis" logo in a speech bubble.

Investigating the Potential of a Conversational Agent (Phyllis) to Support Adolescent Health and Overcome Barriers to Physical Activity: Co-Design Study

Investigating the Potential of a Conversational Agent (Phyllis) to Support Adolescent Health and Overcome Barriers to Physical Activity: Co-Design Study

Authors of this article:

Richard Moore1 Author Orcid Image ;   Abdel-Karim Al-Tamimi2 Author Orcid Image ;   Elizabeth Freeman3 Author Orcid Image
Article Authors Cited by (13) Tweetations (2) Metrics

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  1. Wittmar S, Frankenstein T, Timm V, Frei P, Kurpiers N, Wölwer S, Schäfer A. User Experience With a Personalized mHealth Service for Physical Activity Promotion in University Students: Mixed Methods Study. JMIR Formative Research 2025;9:e64384 View
  2. Terra L, Rezende L, Ferreira Silva R, Costa W, Miñana-Signes V, Noll M, Silva P. Interventions on Barriers to the Participation of Adolescents in Physical Activity: A Systematic Review. International Journal of Environmental Research and Public Health 2025;22(6):881 View
  3. Mantena S, Johnson A, Oppezzo M, Schütz N, Tolas A, Doijad R, Mattson C, Lawrie A, Ramirez-Posada M, Schmiedmayer P, Linos E, King A, Rodriguez F, Kim D, Ashley E. Fine-tuning LLMs in behavioral psychology for scalable health coaching. npj Cardiovascular Health 2025;2(1) View
  4. Fu L, Burns R, Xie Y, Shen J, Zhe S, Estabrooks P, Bai Y. The Development and Use of AI Chatbots for Health Behavior Change: Scoping Review. Journal of Medical Internet Research 2026;28:e79677 View
  5. Madera F, Nicodemo G, Guasco S, Ciulli T, Cardinali P. A Scoping Review of Conversational Agents in Adolescence. European Psychologist 2026;31(3):217 View
  6. Shenoi A, Li T, Jabir A, Pitkethly A, Fleisch E, Kowatsch T, Mair J. Structured Large Language Model Workflows for Motivational Interviewing in Health Behavior Change: Proof-of-Concept Study. JMIR Formative Research 2026;10:e94036 View
  7. Jiang Q, Chen X, Patel D, Brazendale K, Alejandro S. AI and Chatbot-Supported Interventions for Physical Activity and Obesity-Related Lifestyle Behaviors: Scoping Review With Attention to Family Involvement. JMIR Pediatrics and Parenting 2026;9:e98889 View
  8. Kang C, Luo Y, Tian F, Liang H, Li L. Digital health interventions for promoting physical activity among adolescents: a systematic review. Frontiers in Public Health 2026;14 View
  9. Bruno G, Garofalo C, Delvecchio E, Buratta L, Pagano L, Mazzeschi C. Adolescents’ Interactions with AI-Powered Chatbots: A Scoping Review of Psychosocial and Well-Being Research (2022–2025). International Journal of Human–Computer Interaction 2026:1 View

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  1. Hendi N, Abouelmagd M, Sharkawy A, Jasim E, Amin A. Feeding the Mind: The Connection Between Diet, Drugs, and Mental Health Volume 2. View
  2. Zhou P, Lau P, Lu N, Ma M. The Handbook of Public Health in the Asia-Pacific. View
  3. Zhou P, Lau P, Lu N, Ma M. The Handbook of Public Health in the Asia-Pacific. View

Conference Proceedings

  1. Gong J, Wen X, Tao F, Wang X, Yang X, Tang Y. Proceedings of the 2025 International Conference on Human-Engaged Computing. Evaluating Text-based Conversational Agents for Mental Health: A Systematic Review of Metrics, Methods and Usage Contexts View