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Graphical User Interface Prototyping for Distributed Requirements Engineering


Sven Scheibmayr

Finding and understanding the right requirements is essential for every software project. This book deals with the challenge to improve requirements engineering in distributed software projects. The use of graphical user interface (GUI) prototypes can help stakeholders in such projects to elicit and specify high quality requirements. The research objective of this study is to develop a method and a software artifact to support the activities in the early requirements engineering phase in order to overcome some of the difficulties and improve the quality of the requirements, which should eventually lead to better software products. Therefore, this study seeks to support the work with these prototypes in distributed projects. It is based on a theoretical analysis and follows a design science research approach.
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3. Theory-informed Design


This chapter is about the derivation of design implications from theory. Design science research requires that the design of artifacts is informed by theory (Hevner et al., 2004; Markus et al., 2002; Walls et al., 1992). Thus, the next section introduces theoretical concepts and derives design implications for the artifacts. These theoretical works are the concept of boundary objects (see Section 3.1.1), the Cognitive-Affective Model of Organizational Communication for Designing IT (see Section 3.1.2), and the Media Synchronicity Theory (see Section 3.1.3). Furthermore, Section 3.2 summarizes the derived design implications and Section 3.3 reports the results of a preliminary assessment of those by industry experts. Finally, Section 3.4 evaluates and compares existing prototyping tools. It is checked, if they fulfill the requirements of the design implications.

3.1. Theoretical Concepts

3.1.1. Boundary Objects

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