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Effects of Gesture on the Perception of Psychological Anthropomorphism:A Case Study with a Humanoid Robot

机译：手势对心理拟人感知的影响：以人形机器人为例

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Previous work has shown that gestural behaviors affect anthropomorphic inferences about artificial communicators such as virtual agents. In an experiment with a humanoid robot, we investigated to what extent gesture would affect anthropomorphic inferences about the robot. Particularly, we examined the effects of the robot's hand and arm gestures on the attribution of typically human traits, likability of the robot, shared reality, and future contact intentions after interacting with the robot. For this, we manipulated the non-verbal behaviors of the humanoid robot in three experimental conditions: (1) no gesture, (2) congruent gesture, and (3) incongruent gesture. We hypothesized higher ratings on all dependent measures in the two gesture (vs. no gesture) conditions. The results confirm our predictions: when the robot used gestures during interaction, it was anthropomorphized more, participants perceived it as more likable, reported greater shared reality with it, and showed increased future contact intentions than when the robot gave instructions without using gestures. Surprisingly, this effect was particularly pronounced when the robot's gestures were partly incongruent with speech. These findings show that communicative non-verbal behaviors in robotic systems affect both anthropomorphic perceptions and the mental models humans form of a humanoid robot during interaction.
机译：先前的研究表明，手势行为会影响有关人工沟通者（例如虚拟代理人）的拟人推理。在使用人形机器人的实验中，我们研究了手势在多大程度上会影响有关该机器人的拟人推理。特别是，我们研究了机器人的手势和手臂手势对典型人类特征的归因，机器人的亲和力，共享的现实以及与机器人交互后未来的接触意图的影响。为此，我们在三种实验条件下操纵了类人机器人的非语言行为：（1）无手势，（2）全等手势，和（3）无全手势。我们假设在两种姿势（相对于无姿势）条件下，所有相关度量的评分较高。结果证实了我们的预测：当机器人在交互过程中使用手势时，其拟人化程度更高，与之相比，当机器人不使用手势进行指示时，参与者认为它更讨人喜欢，并报告了更大的共享现实感，并且显示出更多的未来接触意图。出人意料的是，当机器人的手势与语音部分不一致时，这种效果尤其明显。这些发现表明，机器人系统中的交流非言语行为会影响拟人化的感知和人形机器人在交互过程中人类形成的心理模型。

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