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The Estimation of Physical Distances between Oneself and a Social Robot: Am I as Far from the Robot as It is from Me?

Abstract : Research on the perception of interpersonal distance has shown the existence of an asymmetry effect which depends on the reference point of the estimation: the distance from oneself to others can be perceived as longer or shorter than the distance from others to oneself. The mechanism underlying this asymmetric effect is related to the object’s cognitive salience. The self often functions as a habitual reference point and therefore one’s own salience may be higher than that of other objects. In this case, an egocentric asymmetry effect appears with a perceived shorter distance from others to oneself. However, if others are more salient than oneself, then the reverse can happen (allocentric asymmetry effect). The present work investigates if asymmetry in self-other(s) distance perception changes when the other is a social robot. An experiment was conducted with 174 participants who were asked to estimate the distance between themselves and both robotic and human assistants on a schematic map of a hospital emergency room (between-subjects design). With robust ANOVA, the results showed that the participants felt closer to the human assistant than to the robot, notably when the person served as the estimation reference point. Perceived distances to the social robot were not significantly distorted. If a rather allocentric effect with the human assistant might translate a goal of affiliation on the part of the participants, the absence of effect with the social robot forces us to reconsider its humanization. This could nevertheless reflect a purely mechanical and utilitarian conception of it.
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https://hal-univ-paris.archives-ouvertes.fr/hal-03692946
Contributor : Jean-Baptiste Lanfranchi Connect in order to contact the contributor
Submitted on : Friday, June 10, 2022 - 10:25:31 AM
Last modification on : Saturday, June 25, 2022 - 3:51:37 AM

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J.-B. Lanfranchi, Sophie Lemonnier. The Estimation of Physical Distances between Oneself and a Social Robot: Am I as Far from the Robot as It is from Me?. 2022. ⟨hal-03692946⟩

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