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| Criterion |  Agile Three Amigos |  Agile Bucket System |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-90 min | 60-90 min pro Feature |
Participantsdifferent | 3 | 3-12 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Bucketed Backlog, Relative Estimates, Split Candidates | Example Table, Acceptance Tests |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationBacklogRelative sizing | AgileRequirementsExamplesBehavior-Driven Development |
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