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| Criterion |  Operations 8D Problem Solving |  Agile Three Amigos |  Agile Example Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a story carries business rules and exceptions, it brings clarity before implementation. It makes examples, open questions, and boundaries visible enough that the logic becomes jointly sound. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-6 Wochen | 15-30 min | 30-60 min | 15-30 min |
Participantsdifferent | 4-10 | 3 | 3-7 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Clarified Story, Test Examples, Open Questions | Example Map, Acceptance Criteria, Open Questions | Root cause notes, Countermeasures |
Tagsno overlap | QualityProblem solvingRoot cause | CollaborationBehavior-Driven DevelopmentQualityRefinement | Behavior-Driven DevelopmentRequirementsExamplesRefinement | Root causeIncidentLeanProblem solving |