Effect of Sympathy Expression Methods by Educational-Support Robot using Facial Expression and Body Motion in Long Term Experiment

Recently, educational-support robot have been attracting increasing attention as learning-support devices. Previous research has proposed the sympathy expression method that robot expresses emotions which sympathize with learner. In previous research, the sympathy expression method has been used for the robot which expresses its emotion by face. Sympathy expression method can be contracted based on fuzzy logic. However, no research for sympathy expression method using the robot which expresses its emotion by using body or unifying body and face. Therefore, this paper examines the learning effect and the impression about three types robots which have different emotion expression methods in long term experiment.