reports that physical artifacts like pin boards, sticky cards, flip charts or whiteboards are used as a means of communication and collaboration by Agile teams. The paper concludes with a final summary and outlook for future work. The following section presents the evaluation of aWall in a user study which we conducted with software practitioners to evaluate the usability and effectiveness of the chosen approach. We then present the design consideration for a large scale Agile cardwall and the user interface design of aWall. We first give an overview of related work, followed by an evaluation of an interview study about the usage of Agile tools in software teams. aWall has the size of classical physical cardwalls by using large multi-touch high resolution displays and so provides enough space for the whole team to interactively collaborate. While the main focus of aWall is for use by co-located teams, aWall is designed to be used also by distributed teams which is one of the main driver for digital Agile tools (see Fig. In this paper we present aWall, a large digital cardwall, providing a collaborative workspace for Agile teams. To address the issue with physical cardwalls, we aim to bridge the gap by creating a large digital cardwall that supports elements of the physical nature, integration with existing tracking systems, while also preserving the Agile collaborative work style. Despite their prevalence, physical cardwalls still have issues as content is not digitalized and not integrated with issue tracking systems. conducted interviews with software practitioners and found that 31% of companies used both project management tools and physical cardwalls, where the usage of cardwalls was not restricted to co-located teams . Although many commercial and open source digital Agile tools like JIRA, CA Agile Central (formerly Rally) and VersionOne are available and have been adopted by a large number of Agile companies, studies show that physical cardwalls are still widely used . In Agile software development, physical cardwalls continue to be an essential part of the Agile processes despite the relative large number of available digital tools. This suggests that augmenting digital cardwalls with large interactive touch technology and integration with task tracking systems is a useful way to support effective collaborative Agile software development processes. The evaluation indicates that aWall enables and encourages team work due to the large size of the wall, the easy accessibility and visibility of the needed information, and the integration with existing issue tracking tools. We implemented the concepts in the software prototype aWall, and evaluated the usability of aWall in a user study. Based on the findings we developed visualization and interaction concepts for an Agile cardwall using an extra-large multi-touch wall display which provides Agile teams the lightweight collaboration workspace for their Agile meetings. In our research project we conducted an interview study about the reasons for this media break. This is error prone and causes a lot of extra effort to keep both in sync. Nonetheless, studies show, that most Agile software teams still also use physical cardboards for their daily work. Agile software development has become mainstream, and with it many tools have been developed to support Agile software development.
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