The effect of convergent interaction using subjective opinions in the decision-making process

Yoshimasa OhmotoKyoto University
Misao KataokaKyoto University
Toyoaki NishidaKyoto University

Abstract

In an interactive decision-making process like a face-to-face consultation (a situation in which subjective information can be obtained), we dynamically change the emphasizing points during the interaction in which an adviser provided new information and subjective interpretations. In previous work, we proposed and evaluated a method to dynamically estimate emphasizing points (DEEP) but the method only included the intrinsic emphasizing points of each person. In this study, we investigated the effect of extrinsic subjective interpretations of the adviser in interactive decision-making. We used tightly controlled Embodied Conversational Agents (ECAs) as the adviser to evaluate the effect. We conducted an experiment that compared the results of interactive decision-making with two types of ECAs: a facilitative agent who provided subjective opinions to realize divergent and convergent processes in decision-making and an estimation agent who only provided proposals that reflected the emphasizing points of each participant. As a result, we can confirm that the facilitative agent increased the participant's satisfaction of interaction with the ECA, the naturalness of ECA's interaction, and the impression of decision-making process. In addition, we developed a concept called the ``Bubbling intention.'' We think the concept is useful to design human-agent interaction.

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