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

Marcia Nißen   ¹ , PhD ;   Dominik Rüegger   ^{1, 2} , PhD ;   Mirjam Stieger   ^{3, 4, 5} , PhD ;   Christoph Flückiger   ⁵ , PhD ;   Mathias Allemand   ^{5, 6} , PhD ;   Florian v Wangenheim   ¹ , PhD ;   Tobias Kowatsch   ^{1, 7} , PhD

¹ Centre for Digital Health Interventions, Department of Management, Technology, and Economics, ETH Zurich, Zurich, Switzerland

² Pathmate Technologies AG, Zurich, Switzerland

³ Department of Psychology, Brandeis University, Waltham, MA, United States

⁴ Institute of Communication and Marketing, Lucerne University of Applied Sciences and Arts, Lucerne, Switzerland

⁵ Department of Psychology, University of Zurich, Zurich, Switzerland

⁶ University Research Priority Programs, Dynamics of Healthy Aging, University of Zurich, Zurich, Switzerland

⁷ Centre for Digital Health Interventions, Institute of Technology Management, University of St.Gallen, St.Gallen, Switzerland