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| Criterion |  Product Discovery Working Backwards |  Operations A3 Problem Solving |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Medium | Medium | Low | High |
Timedifferent | 4-8 h, mehrere Iterationen | 45-90 min | 30-60 min | 1-6 Wochen |
Participantsdifferent | 2-6 | 2-5 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | A3 Report, Action Plan, Root Cause Analysis | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | VisionNarrativeAlignment | LeanProblem solvingCoachingOperations | Root causeQualityOperations | QualityProblem solvingRoot cause |