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The objective of this study is to examine the effect of robot types on emotional communication between a person and a robot. We executed a 2 (robot types: an autonomous robot vs. a tele-operated robot) within-participants experiment (<i>N=36</i>). Participants were interviewed with either autonomous robot interviewers or tele-operated robot interviewers,(More)
The objective of this study is to examine the effect of intergroup relations on robots through comparison with other objects. In an experiment, participants watched eight stimuli drawn from four types of objects (people vs. robots vs. animals vs. products) according to two types of intergroup relations (in-group vs. out-group) and rated each stimuli in(More)
This study explores social distance management as a strategic way to alleviate people's dissatisfaction with a vacuum cleaning robot, particularly when the robot requires an unpleasant favor. We executed a 2 (intergroup relations: out-group vs. in-group) x 3 (body zones: close vs. 40cm vs. 1m) mixed-participants experiment (<i>N</i>=36). People evaluated(More)
This study describes preliminary research for designing a growing robot. To explore the interaction between a human and an object that changes physically through its growth, focus group interviews were conducted with participants who kept pets, plants, and a plant-like product. An appropriate target model for designing a growing robot, the value of raising(More)
According to the Hawthorne effect, when people feel someone staring at them, they tend to be moral because of psychological pressure. We applied this Hawthorne effect to the appearance design of robots and examined the effect of robot appearance types on motivating donation. We executed a 2 (appearance types: anthropomorphic vs. functional)(More)