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| Criterion |  Engineering Fault Isolation |  Engineering Hypothesis-Driven Troubleshooting |  Delivery RAID Log |  Agile ROAM Board |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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 | Medium | Low | Low |
Timedifferent | 30-180 min | 30-240 min | 30 min Setup, dann laufend | 20-40 min initial, dann laufend |
Participantsdifferent | 1-6 | 1-6 | 1-3 maintaining, briefing for everyone | 3-15 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | RAID Log, Status Report Source | ROAM Board, Owner List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | TroubleshootingProblem solvingDiagnosis | RiskTrackingStakeholdersGovernance | RiskAgileTrackingAlignment |