Usability, Quality in Use and the Model of Quality Characteristics

摘要

In this paper, a history of usability concept is reviewed including Shackel and Richardson, Nielsen, and ISO standards to show how the usability is located among relevant quality characteristics. Secondly, the importance of subjective quality is emphasized in relation to the usability. Thirdly, the concept of quality in use is considered in relation to the usability. Finally, a new scheme on quality characteristics is presented.