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| Criterion |  Product Discovery Jobs to Be Done |  Operations Change Analysis |  Engineering Fault Isolation |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
Purposedifferent | When switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen | 45-120 min | 30-180 min | 15-45 min |
Participantsdifferent | 5-12 Interviews | 2-6 | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | CustomerOutcomesNeeds | ChangeRoot causeTroubleshootingComparison | TroubleshootingDiagnosisEngineering | ComparisonFacilitationAlignment |