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| Criterion |  Engineering Fault Isolation |  Product Discovery Jobs to Be Done |  Product Discovery Opportunity Scoring |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|---|
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 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. | When opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-180 min | 1-3 Wochen | 60-120 min | 60-90 min |
Participantsdifferent | 1-6 | 5-12 Interviews | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Job Stories, Outcome Statements, Opportunity List | Opportunity Score Table, Top Outcomes | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | TroubleshootingDiagnosisEngineering | CustomerOutcomesNeeds | PrioritizationDiscoveryOutcomesNeeds | ExperimentsPrioritizationDiscoveryHypothesis |