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| Criterion |  Decision Making PERT Estimation |  Operations Failure Mode and Effects Analysis |  Agile Acceptance Criteria Workshop |  Agile Three Amigos |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 15-45 min | 2-6 h | 20-40 min pro Story | 15-30 min |
Participantsdifferent | 1-8 | 3-10 | 3-6 | 3 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | FMEA Table, Risk Priority, Mitigation Actions | Acceptance Criteria, Story Update | Clarified Story, Test Examples, Open Questions |
Tagsno overlap | EstimationUncertaintyRisk | RiskQualityOperationsRoot cause | AgileRequirementsRefinementBehavior-Driven Development | CollaborationBehavior-Driven DevelopmentQualityRefinement |