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Article Dans Une Revue International Journal of Social Robotics Année : 2022

Human-Likeness of Feedback Gestures Affects Decision Processes and Subjective Trust

Résumé

Trust is fundamental in building meaningful social interactions. With the advance of social robotics in collaborative settings, trust in Human–Robot Interaction (HRI) is gaining more and more scientific attention. Indeed, understanding how different factors may affect users’ trust toward robots is of utmost importance. In this study, we focused on two factors related to the robot’s behavior that could modulate trust. In a two-forced choice task where a virtual robot reacted to participants’ performance, we manipulated the human-likeness of the robot’s motion and the valence of the feedback it provided. To measure participant’s subjective level of trust, we used subjective ratings throughout the task as well as a post-task questionnaire, which distinguishes capacity and moral dimensions of trust. We expected the presence of feedback to improve trust toward the robot and human-likeness to strengthen this effect. Interestingly, we observed that humans equally trust the robot in most conditions but distrust it when it shows no social feedback nor human-like behavior. In addition, we only observed a positive correlation between subjective trust ratings and the moral and capacity dimensions of trust when robot was providing feedback during the task. These findings suggest that the presence and human-likeness of feedback behaviors positively modulate trust in HRI and thereby provide important insights for the development of non-verbal communicative behaviors in social robots.
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Origine : Publication financée par une institution

Dates et versions

hal-04119706 , version 1 (10-04-2024)

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Lorenzo Parenti, Adam Lukomski, Davide de Tommaso, Marwen Belkaid, Agnieszka Wykowska. Human-Likeness of Feedback Gestures Affects Decision Processes and Subjective Trust. International Journal of Social Robotics, 2022, 15, pp.1419-1427. ⟨10.1007/s12369-022-00927-5⟩. ⟨hal-04119706⟩
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