My theme as a BA for the last 20 years has been "To effectively Solve Business Problems." I enjoy helping business identify and solve business problems. What I've found is that the tools that the business understands are the most important ones to put in your toolbox. I use DFD's (Data Flow Diagrams) and Use Cases for the discovery phase, depending on the person I'm interviewing. If they're a visual learner, I use DFD's; otherwise I use Use Cases. Sometimes I'll do both. Capture the requirements with a Use Case, and then convert that Use Case into a data flow diagram. (For those in the RUP camp, I am not talking about a sequence diagram - which would be the logical next step for a Use Case)I guess, now that I brought it up, I should explain why I use a data flow diagrams. They're a very old Case methodology tool, but I still use them because of the debugging capabilities. I can actually test the results while I'm interviewing the subject matter expert in the business to make sure that they'd work in real life.
Jim Furey
Senior Business Analyst
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