This study investigated whether human trust in a social robot with anthropomorphic physicality is similar to that in an AI agent or in a human in order to clarify how anthropomorphic physicality influences human trust in an agent. We conducted an online experiment using two types of cognitive tasks, calculation and emotion recognition tasks, where participants answered after referring to the answers of an AI agent, a human, or a social robot. During the experiment, the participants rated their trust levels in their partners. As a result, trust in the social robot was basically neither similar to that in the AI agent nor in the human and instead settled between them. The results showed a possibility that manipulating anthropomorphic features would help assist human users in appropriately calibrating trust in an agent.

翻译：本研究旨在探究人类对具有拟人化物理特征的社会机器人的信任是否与对AI智能体或人类的信任相似，从而阐明拟人化物理特征如何影响人类对智能体的信任。我们通过在线实验两种认知任务（计算任务和情绪识别任务），要求参与者在参考AI智能体、人类或社会机器人的答案后作答。实验期间，参与者对其伙伴的信任水平进行评分。结果表明，对社会机器人的信任基本上既不与对AI智能体相似，也不与对人类相似，而是介于两者之间。这一发现表明，操控拟人化特征可能有助于人类用户适当校准对智能体的信任。