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| Criterion |  Product Discovery Test Card |  Operations Failure Mode and Effects Analysis |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | High | Medium |
Timedifferent | 20-35 min | 2-6 h | 1-5 Tage |
Participantsdifferent | 1-5 | 3-10 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Test Card with a pre-set threshold | FMEA Table, Risk Priority, Mitigation Actions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | RiskQualityOperationsRoot cause | ValidationExperimentsDemandDiscovery |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
