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| Criterion |  Business Strategy Value Chain Analysis |  Operations 8D Problem Solving |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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 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 a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | High | High | Low | High |
Timedifferent | Half day | 1-6 Wochen | 30-60 min | 2-6 h |
Participantsdifferent | 3-8 | 4-10 | 2-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Value Chain Map, Lever List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | QualityProblem solvingRoot cause | Root causeQualityOperations | RiskQualityOperationsRoot cause |