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| Criterion |  Engineering Fault Isolation |  Product Discovery Pretotyping |  Product Discovery Learning Card |
|---|---|---|---|
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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-180 min | Stunden bis wenige Tage | 25-40 min |
Participantsdifferent | 1-6 | 1-4 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Learning Card with evidence and next action |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ValidationDemandMVP | ExperimentsValidationDiscoveryLearning |
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