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| Criterion |  Operations A3 Problem Solving |  Operations Change Analysis |  Decision Making Force Field Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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 | 45-90 min | 45-120 min | 45-90 min | 1-6 Wochen |
Participantsdifferent | 2-5 | 2-6 | 3-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Force Field Map, Change Levers, Risk Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | ChangeRoot causeTroubleshootingComparison | ChangeDecisionStrategy | QualityProblem solvingRoot cause |