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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |  Agile ROAM Board |  Engineering Goal Question Metric |
|---|---|---|---|---|
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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-240 min | 30-180 min | 20-40 min initial, dann laufend | 90-180 min |
Participantsdifferent | 1-6 | 1-6 | 3-15 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | ROAM Board, Owner List | GQM Table, Metric Profiles |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering | RiskAgileTrackingAlignment | MetricsMeasurementEngineeringAlignment |