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| Criterion |  UX Design Lean UX Canvas |  Engineering Fault Isolation |  Product Discovery Opportunity Scoring |
|---|---|---|---|
Purposedifferent | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-3 h | 30-180 min | 60-120 min |
Participantsdifferent | 3-8 | 1-6 | 3-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Opportunity Score Table, Top Outcomes |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | TroubleshootingDiagnosisEngineering | PrioritizationDiscoveryOutcomesNeeds |
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