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| Criterion |  Operations 8D Problem Solving |  Decision Making Eisenhower Matrix |  Operations A3 Problem Solving |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 1-6 Wochen | 15-30 min | 45-90 min | 30-60 min |
Participantsdifferent | 4-10 | 1-6 | 2-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Eisenhower Matrix, Action List, Delegation Notes | A3 Report, Action Plan, Root Cause Analysis | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | QualityProblem solvingRoot cause | PrioritizationFocusTasks | LeanProblem solvingCoachingOperations | Root causeQualityOperations |