This blog post by Betsy Stockdale explains how to use the Feature Tree model to discover missing requirements.
The Feature Tree is defined as “RML (Requirements Modeling Language) objectives model that shows the organization of the features in logical groups, displaying the full scope of a solution in a single page. There are three possible levels of features that might be useful for organizing the requirements: Level 1 (L1), Level 2 (L2), and Level 3 (L3). Below L3 are individual requirements themselves. Feature diagrams show all of the features at once, giving a quick view of the solution’s breadth of functionality.”
The Feature Tree is indeed a powerful visual model that allows to visualize the scope of a project and to discover areas where requirements can be missing.
Modern software development approaches like Agile and Scrum support a strong collaboration between all member of the software development team, software testers and business analysts included. Even if you don’t use a method like Behavior-Driven Development (BDD) or Specification by Example, checking the fact that you will be able to actually test your requirements is […]
User stories are a technique taken from the agile development playbook that can easily be applied in traditional systems development and maintenance. User stories help you document needs in a structured way, from the users’ perspective. They’re a good basis for test cases, so as to support integrated requirements management and testing. In this article, […]
This article is an extract of the “Complete Systems Analysis” written by James and Suzanne Robertson. It explains the basics of analysis models and emphasize that the important thing to remember is that modeling tools are complementary. Each shows one aspect of the system. Together, they make a complete working model of the system.