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| Criterion |  Agile Three Amigos |  Facilitation Dot Estimation |  Decision Making PERT Estimation |  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. | 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. | 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 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 | Medium | Low |
Timedifferent | 15-30 min | 5-20 min | 15-45 min | 20-40 min pro Story |
Participantsdifferent | 3 | 3-20 | 1-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Effort Heatmap, Risk Signals, Discussion Targets | PERT Estimate, Expected Value, Risk Notes | Acceptance Criteria, Story Update |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationEffortRisk | EstimationUncertaintyRisk | AgileRequirementsRefinementBehavior-Driven Development |