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Selected:Three AmigosArchitecture Inception CanvasATAM (Architecture Tradeoff Analysis Method)Acceptance Criteria Workshop
| Criterion |  Agile Three Amigos |  Architecture Architecture Inception Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Agile Acceptance Criteria Workshop |
|---|---|---|---|---|
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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 15-30 min | 1-2 h | Several meetings plus preparation and analysis; total effort depends on scope | 20-40 min pro Story |
Participantsdifferent | 3 | 3-8 | Evaluation team, architects, and relevant stakeholders | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Inception Canvas, Risks, Goal List, Open Questions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Acceptance Criteria, Story Update |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | AlignmentArchitectureCanvas | ArchitectureQualityRiskTradeoffsStakeholders | AgileRequirementsRefinementBehavior-Driven Development |