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| Criterion |  Engineering Failure Scenario Analysis |  Product Discovery Experiment Canvas |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 h | 30-60 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-8 | 1-5 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | FailureResilienceRisk | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |