Learn about how a data flow diagram can be an analysis technique that helps teams generate high quality requirements.
- We ask Systems to make thousands of decisions every day.…Getting the decision logic correct in our requirements…is no easy task.…Decision Tables are a great way to organize…and display decision logic,…and I use them frequently for requirements analysis.…Let's take a look at our online coffee store case study…and use a payment example, and start thinking about…which parts of the online payment process…has decision logic, things like if-then conditions…for example.…
One area that jumps out at me is shipping costs.…Most companies have several different conditions…that must be met to determine the appropriate shipping costs…for an order.…They might offer free shipping for preferred customers,…discounted shipping for large orders,…or additional fees for next day shipping.…These conditions, especially when combined,…generate dozens of decision paths…that will make visual models sprawl across multiple pages,…making it very hard for your stakeholders to understand…and evaluate.…
In many cases, decisions are better modeled…
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- What's elicitation and analysis?
- The relationship of elicitation to analysis
- Elicitation techniques
- Using interviews, brainstorming, and experiments to elicit requirements
- Analysis techniques
- Working with process models, context diagrams, and decision tables
- Adding to a process, product, or system