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Closing

In this chapter I discussed how requirements are treated differently on a Scrum project than on a traditional, sequential development project. On a development effort that uses Scrum we create placeholders for requirements called product backlog items. These items are frequently expressed as user stories and are flowed through the Scrum process with a distinct focus on conversations as a way of elaborating on the requirements details. We also employ a strategy of progressively refining larger, less detailed stories into smaller, more detailed stories in a just-in-time fashion.

I then formally introduced user stories by describing them in the context of “card, conversation, and confirmation.” I went on to discuss how user stories can be used to represent business value at multiple levels of abstraction. Next I explained how the INVEST criteria are helpful in determining whether we have good user stories. Then I introduced ways to deal with nonfunctional requirements and knowledge-acquisition activities. I concluded with a discussion of how to gather user stories, focused on user-story-writing workshops and story mapping. In the next chapter I will discuss the product backlog.


  

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