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| Criterion |  Agile Three Amigos |  Agile Affinity Estimation |  Operations Root Cause 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. | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-90 min | 1-4 h |
Participantsdifferent | 3 | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Affinity Size Map, Grouped Estimates, Unclear Items | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | EstimationBacklogRelative sizing | Root causeProblem solvingQualityIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
