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| Criterion |  Agile Three Amigos |  Decision Making PERT Estimation |  Facilitation Dot Estimation |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | 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. | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 15-30 min | 15-45 min | 5-20 min | 2-6 h |
Participantsdifferent | 3 | 1-8 | 3-20 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | PERT Estimate, Expected Value, Risk Notes | Effort Heatmap, Risk Signals, Discussion Targets | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationUncertaintyRisk | EstimationEffortRisk | RiskQualityOperationsRoot cause |