Mobile Phone Usability Evaluation Framework Using Function-Emotion Hierarchy Deployment

The importance of usability has been increasingly recognized due to the enlargement, complexity and convergence of product functions. Usability has played a key role in determining the success of a product, through end users can understand how to operate product based on usability perspective and earn benefit from the function product offers based on usability concept. In this study, we propose usability evaluation framework and procedures for the mobile product based on the usability evaluation framework that is under debate currently in the Europe. A suggested framework can be used as an effective tool for enhancing the usability of mobile products through a whole process from the initial product development process to the product review stage. And evaluation table were neatly arranged so that evaluators can easily understand each usability issues, influences of issues on usability itself, and necessity of experiment. When practically employed, the suggested framework can be usefully applied in whole usability evaluation procedure. Various usability issues can be investigated in viewpoint of usage environment, not of development environment, which enables easy evaluation planning. At the same time, when evaluation is conducted collaboratively, diverse aspects can be discovered and apprehended. These aspects are helpful in augmenting the validity of discovered usability issue