The effect of head-nod recognition in human-robot conversation

  • Authors:
  • Candace L. Sidner;Christopher Lee;Louis-Philippe Morency;Clifton Forlines

  • Affiliations:
  • Mitsubishi Electric Research Labs, Cambridge MA;Mitsubishi Electric Research Labs, Cambridge MA;MIT CSAIL, Cambridge MA;Mitsubishi Electric Research Labs, Cambridge MA

  • Venue:
  • Proceedings of the 1st ACM SIGCHI/SIGART conference on Human-robot interaction
  • Year:
  • 2006

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Abstract

This paper reports on a study of human participants with a robot designed to participate in a collaborative conversation with a human. The purpose of the study was to investigate a particular kind of gestural feedback from human to the robot in these conversations: head nods. During these conversations, the robot recognized head nods from the human participant. The conversations between human and robot concern demonstrations of inventions created in a lab. We briefly discuss the robot hardware and architecture and then focus the paper on a study of the effects of understanding head nods in three different conditions. We conclude that conversation itself triggers head nods by people in human-robot conversations and that telling participants that the robot recognizes their nods as well as having the robot provide gestural feedback of its nod recognition is effective in producing more nods.