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| Criterion |  Agile Three Amigos |  Agile Affinity Estimation |  Operations 8D Problem Solving |
|---|---|---|---|
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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 15-30 min | 30-90 min | 1-6 Wochen |
Participantsdifferent | 3 | 3-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Affinity Size Map, Grouped Estimates, Unclear Items | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationBacklogRelative sizing | QualityProblem solvingRoot cause |
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