People who have a poor sense of direction are called 方向オンチ (houkou-onchi) in Japanese. What makes those people houkou-onchi? What are the differences between people who get lost and others? In an attempt to answer these questions, three applications were developed using virtual reality...

In recent years, comprehensive community sports clubs have offering several kinds of sports classes for children. However, there are no clear criteria about the prices charged for these classes. At the same time, to meet members' satisfaction levels, it is very important for managers of...