A good quality user story does NOT have the following characteristic:

Question

BlackTom AI · Accepted Answer

User stories should follow the INVEST principles: Independent, Negotiable, Valuable, Estimable, Small, and Testable. This set of concepts defines what makes a “good quality” user story in Agile: it should avoid prescribing solutions, be small enough to finish within a sprint, be independently deliverable where practical, and remain open to discussion and refinement.

1) Relevant knowledge points and concepts
- INVEST model (explained above) and the agile idea that user stories describe user needs/behavior, not technical implementation details.
- Stories should be negotiable and evolve; they are a reminder for conversations, not rigid specifications.

2) Step-by-step reasoning applying concepts to each option
- Option A: "It is of a size that can be ‘done’ in a sprint." This matches the “Small” (S) criterion — good stories are sized to fit a sprint.
- Option B: "It specifies the technologies need to develop the story." This prescribes an implementation detail. That violates “Negotiable” and reduces flexibility; it turns a story into a technical spec rather than a conversation starter.
- Option C: "It can be developed separately from other stories." That corresponds to “Independent” — desirable so teams can prioritize and deliver.
- Option D: "It can be discussed and evolve as required." This reflects “Negotiable” and the idea that stories are refined through collaboration.

3) Calculations/intermediate steps
- Not applicable here; reasoning is conceptual rather than numeric.

4) Why the correct answer is correct
- A good user story must remain solution-agnostic to allow the team to determine the best technical approach during refinement and implementation. Specifying technologies locks the story into a solution, reduces negotiation, and is therefore NOT a characteristic of a good quality user story.

5) Why other options are incorrect
- A, C, and D describe desirable qualities (small/fit a sprint; independent; discussable and evolvable) and align with INVEST.

6) Conclusion
- Therefore the statement that does NOT describe a good quality user story is: "It specifies the technologies need to develop the story," which matches the provided answer.

A good quality user story does NOT have the following characteristic:单项选择题

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