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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Operations 8D Problem Solving |  Business Strategy Value Chain Analysis |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | 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. |
Complexitydifferent | Medium | High | High |
Timedifferent | 30-240 min | 1-6 Wochen | Half day |
Participantsdifferent | 1-6 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Value Chain Map, Lever List |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | QualityProblem solvingRoot cause | StrategyBusiness modelDiagnosisAnalysis |
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