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| Criterion |  Architecture Architecture Decision Record |  Agile Acceptance Criteria Workshop |  Agile Three Amigos |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 20-40 min pro Story | 15-30 min |
Participantsdifferent | 1-3 | 3-6 | 3 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Acceptance Criteria, Story Update | Clarified Story, Test Examples, Open Questions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | AgileRequirementsRefinementBehavior-Driven Development | CollaborationBehavior-Driven DevelopmentQualityRefinement |
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