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| Criterion |  Engineering Fault Isolation |  Product Strategy GIST Planning |  Operations Root Cause Analysis |
|---|---|---|---|
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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-180 min | Wochen bis Monate je Goal | 1-4 h |
Participantsdifferent | 1-6 | 3-10 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Goals, Idea bank, Step-project list, Tasks, Learning reports | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | TroubleshootingDiagnosisEngineering | RoadmapOutcomesPlanningExperiments | Root causeProblem solvingQualityIncident |
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