Perceived complexity is analyzed in conjunction with cognitive stability in the context of potential use in human-centered design. These human factors are useful in the process of understanding co-adaptation of people and technology, and consequently for the evaluation of the maturity of a product. Expertise and experience play an important role in the definition and refinement of these two con...

Professor Gavriel Salvendy has had remarkable contributions to the education and research of human-centered design of systems. This Special Issue is organized in honor of his retirement fromPurdueUniversity, celebrating his leadership and many significant contributions to industrial engineering, human factors and ergonomics. In an outstanding academic career spanning 40 years so far, Professor ...

This case study describes the application of user-centered design (UCD) principles to the development of a complex middleware software product—IBM’s DB2® Universal Database. Motivated by trade press reviews highlighting ease-of-use problems, a multisite development team utilized IBM UCD to transform ease of use into a featured product attribute. This case study describes the initial application...