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| Criterion |  Product Strategy DIBB |  Engineering Fault Isolation |
|---|---|---|
Purposedifferent | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | Low | Medium |
Timedifferent | 1-2 h | 30-180 min |
Participantsdifferent | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | TroubleshootingDiagnosisEngineering |
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