The research presented in the paper aims to develop long-term companionship between cognitively imperfect robots and humans. In order to develop cognitively imperfect robot, the research suggests to implement various cognitive biases in a robot's interactive behaviours. In the authors'...

One of the benefits of using digital games for education is that games can provide feedback for learners to assess their situation and correct their mistakes. We conducted two studies to examine the effectiveness of different feedback design (timing, duration, repeats, and feedback source) in a...

While it is assumed that the alternative with a larger profit is preferred to that with a smaller profit according to the traditional cost-benefit (linear) model, it is demonstrated that the lower discount accompanied by a price of zero is preferred to the larger discount without a price of...