All Stories

  1. Deep phenotyping of suicidal ideation after discharge from psychiatric inpatient care: study protocol for an interdisciplinary, multicentre prospective observational study in Psychiatric University Hospitals

    Article • BMJ Open, February 2026, BMJ

    Marcia Nißen

  2. Integrating Prevention Into Health Systems: A Prevention-first Framework for Noncommunicable Diseases

    Article • January 2026, Elsevier

    Wasu Mekniran, Dr Jacqueline Louise Mair, Marcia Nißen

  3. Equity Readiness Index for Digital Health Organizations

    Article • November 2025, openRxiv

    Marcia Nißen

  4. Rest assured: the influence of chatbots’ assurance statements and service outcome personalization on user data management

    Article • Computers in Human Behavior, November 2025, Elsevier

    Marcia Nißen

  5. Equity by design principles for digital health interventions

    Article • International Journal for Equity in Health, October 2025, Springer Science + Business Media

    Marcia Nißen

  6. Leveraging Influencers to Reach and Engage Vulnerable Individuals With a Digital Health Intervention: Quasi-Experimental Field Study

    Article • Journal of Medical Internet Research, September 2025, JMIR Publications Inc.

    Marcia Nißen

  7. Large Language Models Reveal Menstruation Experiences and Needs on Social Media

    Article • August 2025, IOS Press

    Marcia Nißen

  8. Toward a Smartphone-Based and Conversational Agent–Delivered Just-in-Time Adaptive Holistic Lifestyle Intervention for Older Adults Affected by Cognitive Decline: Two-Week Proof-of-Concept Study

    Article • JMIR Formative Research, July 2025, JMIR Publications Inc.

    Marcia Nißen

  9. Towards the Embodied Conversational Interview Agentic Service ELIAS: Development and Evaluation of a First Prototype

    Article • June 2025, ACM (Association for Computing Machinery)

    Marcia Nißen

  10. Advancing health equity and the role of digital health technologies: a scoping review

    Article • BMJ Open, June 2025, BMJ

    Marcia Nißen

  11. Top-funded digital health companies offering lifestyle interventions for dementia prevention: Company overview and evidence analysis

    Article • PLOS One, May 2025, PLOS

    Marcia Nißen

  12. Leveraging Influencers to Reach and Engage Vulnerable Individuals With a Digital Health Intervention: Quasi-Experimental Field Study (Preprint)

    Article • February 2025, JMIR Publications Inc.

    Marcia Nißen

  13. Beyond Safety: Towards Non-Stigmatizing Mobile Emergency Watches that Empower Older Adults

    Article • January 2025, Scitepress

    Marcia Nißen

  14. Success Factors of Growth-Stage Digital Health Companies: Systematic Literature Review

    Article • Journal of Medical Internet Research, December 2024, JMIR Publications Inc.

    Marcia Nißen

  15. Advancing health equity and the role of digital health technologies: a scoping review protocol

    Article • BMJ Open, October 2024, BMJ

    Marcia Nißen

  16. Please CyMe: Towards Enhancing Menstrual Health Awareness through Customization and Personalized Visualization in a Menstrual Health App

    Article • September 2024, ACM (Association for Computing Machinery)

    Davinny Sou, Marcia Nißen, Marinja Principe

  17. Don’t be a hamster! Social appeals to curb panic buying at the point-of-sale

    Article • Journal of Retailing and Consumer Services, July 2024, Elsevier

    Marcia Nißen

  18. Success Factors of Growth-Stage Digital Health Companies: Systematic Literature Review (Preprint)

    Article • May 2024, JMIR Publications Inc.

    Marcia Nißen

  19. Success factors of growth-stage digital health companies: protocol for a systematic literature review

    Article • May 2024, Cold Spring Harbor Laboratory Press

    Marcia Nißen

  20. Proactive behavior in voice assistants: A systematic review and conceptual model

    Article • Computers in Human Behavior Reports, May 2024, Elsevier

    Marcia Nißen

  21. Top-funded digital health companies offering lifestyle interventions for dementia prevention: Company overview and evidence analysis

    Article • March 2024, Cold Spring Harbor Laboratory Press

    Marcia Nißen

  22. Impact of digital assistive technologies on the quality of life for people with dementia: a scoping review

    Article • BMJ Open, February 2024, BMJ

    Marcia Nißen

  23. Navigating Germany’s Digital Health Ecosystem: Insights from a Health Insurance Industry Expert

    Article • January 2024, Scitepress

    Marcia Nißen

  24. Unlocking the Potential of Digital Health Technologies: The Role of Health Insurance Companies in Shaping the Digital Healthcare Ecosystem

    Article • January 2024, Scitepress

    Marcia Nißen

  25. The Effects of Health Care Chatbot Personas With Different Social Roles on the Client-Chatbot Bond and Usage Intentions: Development of a Design Codebook and Web-Based Study

    Article • Journal of Medical Internet Research, April 2022, JMIR Publications Inc.

    Marcia Nißen

  26. See you soon again, chatbot? A design taxonomy to characterize user-chatbot relationships with different time horizons

    Article • Computers in Human Behavior, February 2022, Elsevier

    Marcia Nißen

  27. The Terms of “You(s)”: How the Term of Address Used by Conversational Agents Influences User Evaluations in French and German Linguaculture

    Article • Frontiers in Public Health, January 2022, Frontiers

    Marcia Nißen

  28. How Are Personality States Associated with Smartphone Data?

    Article • European Journal of Personality, September 2020, SAGE Publications

    Marcia Nißen

  29. PEACH, a smartphone- and conversational agent-based coaching intervention for intentional personality change: study protocol of a randomized, wait-list controlled trial

    Article • BMC Psychology, September 2018, Springer Science + Business Media

    Marcia Nißen