Different Approaches to Evaluation of Information Systems

Outsourcing has been one of the most influential factors contributing to changes in information systems development in the last decade. The paper presents findings from an action research project of information systems development in an outsourcing context at a large university hospital in Denmark. The research, and general findings in the literature, indicates that the intended positive effects of outsourcing are hard to achieve without negative bi-products. Decision frameworks to guide the decision-making in this respect are evaluated based on the empirical findings. It is illustrated that the issues of flexibility and controllability are among the most important when an IT-department determines its outsourcing policies. Continuity issues are also important in understanding the relationship between buyer and seller in IS-acquisition as being more complex than in a simple market model

Bridging diversity: a deliberative approach to organizing and application of usability guidelines

Designing interaction for the global society entails addressing multiple issues and challenges, ranging from the technical and economic to the legal and ethical. Usability guidelines recommend or prescribe courses of action and thus play a significant role in designing universally usable systems. Approaches to organizing and applying usability guidelines need to support processes of deliberation and tradeoff, especially when designing for bridging diversity in shared interaction contexts. This paper describes a deliberative approach to addressing some of these design challenges in a rational way. It argues for organizing guidelines by using concepts from Habermas’s discourse theory and Toulmin’s model of argumentation. Application of the approach is illustrated through a set of research-based Web design and usability guidelines. This paper contributes to the HCI literature by providing a theory-based approach to managing and deliberating on many usability guidelines and related usability issues