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| Criterion |  Engineering Golden Path |  Operations 5 Whys |  Engineering Fault Isolation |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When teams need a reliable default path for frequent use, sprawl quickly emerges without any guiding logic. Golden Path bundles the preferred path so good practice becomes easy and deviation becomes deliberate. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 Tage Setup, laufend | 15-30 min | 30-180 min | 1-4 h |
Participantsdifferent | 2-8 | 2-6 | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Golden Path Guide, Templates, Quality Checks | Root cause notes, Countermeasures | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | EngineeringProductivityGovernance | Root causeIncidentLeanProblem solving | TroubleshootingDiagnosisEngineering | Root causeProblem solvingQualityIncident |