Towards understanding the public's perception of humanlike robots, we examined commentary on 24 YouTube videos depicting social robots ranging in human similarity-from Honda's Asimo to Hiroshi Ishiguro's Geminoids. In particular, we investigated how people have responded to the emergence of highly humanlike robots (e.g., Bina48) in contrast to those with more prototypically-"robotic" appearances (e.g., Asimo), coding the frequency at which the uncanny valley versus fears of replacement and/or a "technology takeover" arise in online discourse based on the robot's appearance. Here we found that, consistent with Masahiro Mori's theory of the uncanny valley, people's commentary reflected an aversion to highly humanlike robots. Correspondingly, the frequency of uncanny valley-related commentary was significantly higher in response to highly humanlike robots relative to those of more prototypical appearances. Independent of the robots' human similarity, we further observed a moderate correlation to exist between people's explicit fears of a "technology takeover" and their emotional responding towards robots. Finally, through the course of our investigation, we encountered a third and rather disturbing trend-namely, the unabashed sexualization of female-gendered robots. In exploring the frequency at which this sexualization manifests in the online commentary, we found it to exceed that of both the uncanny valley and fears of robot sentience/replacement combined. In sum, these findings help to shed light on the relevance of the uncanny valley "in the wild" and further, they help situate it with respect to other design challenges for HRI.

The emergence and spread of humanlike robots into increasingly public domains has revealed a concerning phenomenon: people's unabashed dehumanization of robots, particularly those gendered as female. Here we examined this phenomenon further towards understanding whether other socially marginalized cues (racialization in the likeness of Asian and Black identities), like female-gendering, are associated with the manifestation of dehumanization (e.g., objectification, stereotyping) in human-robot interactions. To that end, we analyzed free-form comments (N = 535) on three videos, each depicting a gynoid -Bina48, Nadine, or Yangyang -racialized as Black, White, and Asian respectively. As a preliminary control, we additionally analyzed commentary (N = 674) on three videos depicting women embodying similar identity cues. The analyses indicate that people more frequently dehumanize robots racialized as Asian and Black, than they do of robots racialized as White. Additional, preliminary evaluation of how people's responding towards the gynoids compares to that towards other people suggests that the gynoids' ontology (as robots) further facilitates the dehumanization.

The emergence of agentic technologies (e.g., robots) in increasingly public realms (e.g., social media) has revealed surprising antisocial tendencies in human-agent interactions. In particular, there is growing indication of people's propensity to act aggressively towards such systemswithout provocation and unabashedly so.Towards understanding whether this aggressive behavior is anomalous or whether it is associated with general antisocial tendencies in people's broader interactions, we examined people's verbal disinhibition towards two artificial agents. Using Twitter as a corpus of free-form, unsupervised interactions, we identified 40 independent Twitter users who tweeted abusively or non-abusively at one of two high-profile robots with Twitter accounts (TMI's Bina48 and Hanson Robotics' Sophia). Analysis of 50 of each user's tweets most proximate to their tweet at the respective robot (N = 2, 000) shows people's aggression towards the robots to be associated with more frequent abuse in their general tweeting. The findings thus suggest that disinhibition towards robots is not necessarily a pervasive tendency, but rather one driven by individual differences in antisociality. Nevertheless, such unprovoked abuse highlights a need for attention to the reception of agentic technologies in society, as well as the necessity of corresponding capacities to recognize and respond to antisocial dynamics.

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