From strangers to partners: examining convergence within a longitudinal study of task-oriented dialogue

  • Authors:
  • Christopher M. Mitchell;Kristy Elizabeth Boyer;James C. Lester

  • Affiliations:
  • North Carolina State University, Raleigh, NC;North Carolina State University, Raleigh, NC;North Carolina State University, Raleigh, NC

  • Venue:
  • SIGDIAL '12 Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue
  • Year:
  • 2012

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Abstract

Convergence is thought to be an important phenomenon in dialogue through which interlocutors adapt to each other. Yet, its mechanisms and relationship to dialogue outcomes are not fully understood. This paper explores convergence in textual task-oriented dialogue during a longitudinal study. The results suggest that over time, convergence between interlocutors increases with successive dialogues. Additionally, for the tutorial dialogue domain at hand, convergence metrics were found to be significant predictors of dialogue outcomes such as learning, mental effort, and emotional states including frustration, boredom, and confusion. The results suggest ways in which dialogue systems may leverage convergence to enhance their interactions with users.