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| Criterion |  Agile Three Amigos |  Delivery RAID Log |  Operations Root Cause Tree Analysis |  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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 | Low | Medium | High |
Timedifferent | 15-30 min | 30 min Setup, dann laufend | 1-3 h | 1-6 Wochen |
Participantsdifferent | 3 | 1-3 maintaining, briefing for everyone | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | RAID Log, Status Report Source | Cause Tree, Evidence Notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | RiskTrackingStakeholdersGovernance | Root causeTreeIncidentQuality | QualityProblem solvingRoot cause |