机器人胖瘦感影响人类信任度，越瘦越可信
To What Extent Does the Perceived Obesity Level of Humanoid Robots Affect People's Trust in Them?
- 用图像对比测试机器人外观肥胖感对信任的影响
- 低肥胖感知的机器人获更高信任度（显著差异）
- 适用于人机交互中机器人外形设计研究
尽管肥胖在社会科学中广受关注，但其对人机交互中机器人信任度的影响尚未被研究。虽然人体重指数（BMI）常用于衡量肥胖，但该指标对机器人不适用，因此如何操作化机器人外观的肥胖感知极具挑战。已有研究探讨过机器人尺寸（或身高）对信任的影响，但肥胖感这一因素尚未被系统考察。本研究通过一项被试内实验，利用在线预验证问卷，向参与者展示两张人形机器人图像：一张为正常肥胖感，另一张为高肥胖感。结果表明，具有较低肥胖感知的人形机器人显著更易获得信任。
原文摘要 · Abstract (English)
Despite obesity being widely discussed in the social sciences, the effect of a robot's perceived obesity level on trust is not covered by the field of HRI. While in research regarding humans, Body Mass Index (BMI) is commonly used as an indicator of obesity, this scale is completely irrelevant in the context of robots, so it is challenging to operationalize the perceived obesity level of robots; indeed, while the effect of robot's size (or height) on people's trust in it was addressed in previous HRI papers, the perceived obesity level factor has not been addressed. This work examines to what extent the perceived obesity level of humanoid robots affects people's trust in them. To test this hypothesis, we conducted a within-subjects study where, using an online pre-validated questionnaire, the subjects were asked questions while being presented with two pictures of humanoids, one with a regular obesity level and the other with a high obesity level. The results show that humanoid robots with lower perceived obesity levels are significantly more likely to be trusted.
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