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Maintaining engagement is challenging in human-human interaction. When disengagements happen, people try to adapt their behavior with an expectation that engagement will be regained. In human-robot interaction, although socially interactive robots are engaging, people can easily drop engagement while interacting with robots. This paper proposes a multi-layer re-engagement system which applies different strategies through human-like (non-)verbal behaviors to regain user's engagement taking into account user's attention level and affective states. We conducted a usability test in a robot storytelling scenario to demonstrate technical operation of the system as well as to investigate how people react when interacting with a robot with re-engagement ability. Our usability test results reveal that the system is potential to maintain user's engagement. Our selected users through open-ended questions gave positive comments to the robot with this ability. They also rated the robot with re-engagement ability higher on several dimensions i.e. animacy, likability, perceived intelligence.
Original languageEnglish
Article number95
Pages (from-to)1-15
Number of pages15
JournalRobotics
Volume8
Issue number4
DOIs
Publication statusPublished - Oct 2019

    Research areas

  • Socially assistive robots, Re-engagement, User’s performance, User’s perception, Gaze, Pepper

ID: 48110580