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| Criterion |  Decision Making PERT Estimation |  Agile Three Amigos |  Agile Specification by Example |
|---|---|---|---|
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. | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 15-45 min | 15-30 min | 60-90 min pro Feature |
Participantsdifferent | 1-8 | 3 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Clarified Story, Test Examples, Open Questions | Example Table, Acceptance Tests |
Tagsno overlap | EstimationUncertaintyRisk | CollaborationBehavior-Driven DevelopmentQualityRefinement | AgileRequirementsExamplesBehavior-Driven Development |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
