A user story is a form of lightweight requirement that Agile projects use instead of long formal use cases.
In this case, planning poker serves as a cross-check, preventing a gross misunderstanding about the scope of the user story.
The team initially assigns story points for each user story in the release backlog.
The user story is a small piece of functionality that CAM be described by the customer on an index card.
The consequences of unplanned tasks—e.g. a user story being estimated at 3 points and turning out more like a 13 in reality—is that the team still only scores 3 points for it.
For example, what do the screen mock-ups look like for this user story?
In Kanban, if there is an urgent request to implement or a really important user story, the team can just put it on top of the queue.
In these cases, the team can add a user story to the backlog to do some additional research.
As its name suggests, a user story tells a story about a customer or user employing the product.
If an architecture spike is required for a feature, add a user story for it to the release backlog and have tasks such as "Design," "Building Prototype," or "Research."
When all the acceptance tests pass for a given user story, that story is considered complete.
Michael suggested that in their case, they have a prioritized backlog and they just take the most important user story and implement it.
The good thing about adding a user story to the release backlog for the spike is that it allows the product owner to prioritize it.
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