The effectiveness of user experience design is dependent on many factors including complete and accurate contextual information, design approaches, and methods followed. The recent HCI literature clearly shows that there is a growing research interest on integration of User Experience (UX) design and agile software development. A framework based on design thinking is proposed that enhances the current user experience design by integration of three design approaches -design thinking, designing for user experience and agile software development. These three different design approaches of the framework complement each other to benefit effective derivation of contextual requirements that include functionality of the system as well as aspects of total user experience based on the shared understanding gained from stakeholders in the context. Implications of each design approach on stakeholders and the context are discussed in detail to show the significance and value of the proposed framework on the whole design and design process. It is expected that the proposed framework is capable of enhancing the design quality and user experience of products, systems, and services created through agile software development approaches.

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In recent years, Design Science has gained wide recognition and acceptance as a formal research method in many disciplines including information systems. Design Science research in Human-Computer Interaction is not so abundant. HCI is a discipline primarily focusing on design, evaluation, and implementation where design plays the role as a process as well as an artefact. In this paper, we present a design science approach using "Little Design Up Front" to integrate the User-Centred Design perspective into Agile Requirements Engineering. We also present the results of two agile projects to validate the proposition that incorporating UCD perspective into Agile Software Development improves the design quality of software systems.

User Experience is a well recognized factor in design and evaluation of artifacts in Human-Computer Interaction. There are many user experience models reported in the literature to reflect this status. Techniques and instruments for managing user experience are still not sufficient. In this paper, we discuss design science research and important user experience models reported in the literature and propose an integrated design science framework for designing and assessing user experience. We also present the results of an experimental study to validate our proposed framework and the instrument employed.

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