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Wednesday, April 29 • 9:45am - 10:15am
Quality Requirements on a Shoestring

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Traditional Quality Attribute Workshops (QAWs) are costly and cumbersome to organize for large and/or geographically dispersed organizations. Yet good quality requirements are key to making the right architectural decisions in the design process. At SATURN 2014, Chaparro and Keeling presented the mini-QAW, proposing a way to pare down the QAW activities and do part of the work offline. We extend their format with a stakeholder empathy exercise to fill in for absent stakeholders. During the exercise, participants brainstorm to create a list of stakeholders for the system. Each participant chooses a stakeholder from the list to empathize with and create scenarios for, before listing his or her own concerns. In addition, we propose the use of UI mockups as a method to support quality attribute scenario generation. The method is an alternative to quality attribute taxonomies or unstructured brainstorming. Finally, we report how we used the Microsoft Lync online meeting tool to include remote stakeholders via its annotation feature. With our changes, we successfully ran two QAWs of 2 and 3.5 hours at ABB. We can now rely on a smaller set of stakeholders and do not need all stakeholders to travel to the same location. This contributes to a lower time investment for the QAW and reduced travel cost for participants. A workshop according to the mini-QAW format will not give results of the same depth and breadth as a traditional QAW but should be used as a tool for smaller, low-risk, or iterative projects.

avatar for Thijmen de Gooijer

Thijmen de Gooijer

Scientist, ABB Corporate Research
Thijmen works at ABB Corporate Research–Sweden in a team of software architects and user-experience researchers. He graduated cum laude in software engineering with a double MSc degree from VU University in Amsterdam (The Netherlands) and Malardalen Univeristy in Västerås (Sweden... Read More →

Wednesday April 29, 2015 9:45am - 10:15am
3. Salon E

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