A user reactivity research for improving performance of service robot

To improve the ability of providing service of a service robot, ETRO, we did a survey targeting 85 spectators of the National Science Museum. ETRO offered the conversation service with its actions of two arms and mobile part. As a result, most visitors said that they felt familiar feeling to ETRO. Especially, the user customized service through talking and face changing was very popular. With this result, we know it is important that a service robot should offer a customized service fitted to users to get good responses.