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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Operations 8D Problem Solving |  Delivery Communication Plan |
|---|---|---|---|
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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 30-240 min | 1-6 Wochen | 45-90 min |
Participantsdifferent | 1-6 | 4-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | QualityProblem solvingRoot cause | CommunicationStakeholdersDeliveryPlanning |
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