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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Delivery RAID Log |  Engineering Fault Isolation |  Agile ROAM Board |
|---|---|---|---|---|
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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-240 min | 30 min Setup, dann laufend | 30-180 min | 20-40 min initial, dann laufend |
Participantsdifferent | 1-6 | 1-3 maintaining, briefing for everyone | 1-6 | 3-15 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | RAID Log, Status Report Source | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | ROAM Board, Owner List |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | RiskTrackingStakeholdersGovernance | TroubleshootingDiagnosisEngineering | RiskAgileTrackingAlignment |