Developing usability measure structure: Process and principles

This paper reviews different models of usability measure related to definitions of usability. It is concluded that difference among varying measure structures is intrinsic. So how usability measure structure is developed is more meaningful than what it is. Based on the perception, four characteristics of usability measure structure are identified. And then general process of developing measure structure is proposed. This paper also points out two crucial rules in the procedure: assumption of weak correlations among usability aspects and users´ participation which shall affect satisfaction level of the final improvement of usability quality.