Complementary Approaches
In 2009, Alexander and Beus-Dukic proposed a set of complementary approaches for discovering requirements:
- Identifying stakeholders
- Modeling goals
- Modeling context
- Discovering scenarios (or Use cases)
- Discovering "qualities and constraints" (Non-functional requirements)
- Modeling rationale and assumptions
- Writing definitions of terms
- Analyzing measurements (acceptance criteria)
- Analyzing priorities
Alexander and Beus-Dukic suggested that these approaches could be conducted with individuals (as in interviews), with groups (as in focused meetings known as workshops, or via Electronic meeting systems), or from "things" (artifacts) such as prototypes.
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