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| Criterion |  Agile Three Amigos |  Agile Affinity Estimation |  Agile Specification by Example |
|---|---|---|---|
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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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 | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-90 min | 60-90 min pro Feature |
Participantsdifferent | 3 | 3-12 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Affinity Size Map, Grouped Estimates, Unclear Items | Example Table, Acceptance Tests |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationBacklogRelative sizing | AgileRequirementsExamplesBehavior-Driven Development |
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