Table 1.

Chatbot personas and their introductions within the conversations.

Chatbot persona	Introductiona
Institution	“The PersonalityCoach has been programmed to represent the Psychological Institute of the University of Zurich, which enjoys a very good reputation worldwide in the field of personality research.”
Expert	“Dr. Change has been programmed to represent a professional psychotherapist who has many years of experience in the field of personality coaching.”
Peer	“Milo/Mila has been programmed to represent a peer who had once been a participant in the PersonalityChange program him/herself and who will share his/her own experiences with you.”
Dialogical self	“Your MySelfCoach has been programmed to give you the impression of talking to yourself through simulated inner dialogues and, thus, to help you see your experiences in a new light.”

^aTranslated into English by the authors for this paper.