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Selected:Three AmigosFailure Mode and Effects AnalysisFault Tree AnalysisAcceptance Criteria Workshop
| Criterion |  Agile Three Amigos |  Operations Failure Mode and Effects Analysis |  Operations Fault Tree Analysis |  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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | High | High | Low |
Timedifferent | 15-30 min | 2-6 h | 2-6 h | 20-40 min pro Story |
Participantsdifferent | 3 | 3-10 | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | FMEA Table, Risk Priority, Mitigation Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Acceptance Criteria, Story Update |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | RiskQualityOperationsRoot cause | RiskRoot causeSafety | AgileRequirementsRefinementBehavior-Driven Development |