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| Criterion |  Operations 5 Whys |  Agile WSJF |  Operations ABC Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 | High | Low | High |
Timedifferent | 15-30 min | 45-90 min | 30-60 min | 1-6 Wochen |
Participantsdifferent | 2-6 | 3-10 | 1-5 | 4-10 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Ranked Backlog, Cost-of-Delay Assumptions | ABC Classification, Focus Rules, Control List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeIncidentLeanProblem solving | LeanEconomicsSequencePrioritization | PrioritizationOperationsPortfolio | QualityProblem solvingRoot cause |