The hardest long term challenge in eliciting requirements is improving our ability to do it. The hardest short term challenge in gathering requirements is getting all of them. We have a lot of techniques for gathering requirements, from interviewing to brainstorming to researching. How do we know we defined all of the requirements? Everyone who manages requirements knows the value of validating requirements. But validation leaves a blind spot as it looks backwards instead of forwards. We propose to do exactly the opposite.
Agile Requirements
One of the key points that enables James’ approach is “tight collaboration†between the program manager and the developers. He talks about the miracles that can happen when you have this, as conversations can cause time to miraculously appear in the schedule. And his use of the toaster analogy is spot on.