Companion Technology by Susanne Biundo & Andreas Wendemuth

Companion Technology by Susanne Biundo & Andreas Wendemuth

Author:Susanne Biundo & Andreas Wendemuth
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham


12.2.5 User Engagement and Disposition

User behavior in general and while interacting with the Companion-System is influenced by his engagement and current dispositions. Given the example of a ticket vending machine, a user could approach it with different goals in mind. If, for example, the user is in a hurry to catch the next train, his focus is on speed rather than accuracy and detail. The corresponding behavior is significantly different from that of a user whose aim is to plan a trip far in the future. The former will ignore irrelevant additional information and his inputs are expected to be shorter and faster than those of the latter. Consequently, the user’s engagement can be derived from his behavior. In order to quantify these changes in behavior, the experimental paradigm is to be extended by a factor which can manipulate user engagement.

Along those lines, the emotional dispositions a user can have while interacting with the Companion-System are important as well. Based on the experience the user previously collected with such a system or similar ones, he might have a positive or negative attitude towards the whole system or specific components thereof. Furthermore, other events which have no direct relation towards the Companion-System might affect the mood and therefore the behavior of the user. Lets assume a user who has a generally positive attitude towards the system, and who thus prefers speech input and audio output as interaction modalities. The system has, over multiple interaction instances, adapted to his preference. However, the current interaction was preceded by a strongly negative event for the user. This causes a change in the behavior of the user (e.g. the uses exclusively touch) which necessitates the system to adapt. Through respective sensory systems and models about the user, the Companion-System recognizes the respective shift in the user’s mood and reacts faster and more efficiently.

However, for the system to form respective models, it is necessary to investigate the effects of the user’s emotions, moods and dispositions. Consequently, our experimental setup should either be useful to effectively induce such changes in the user, or be easily extended by respective modules.



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