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| Criterion |  Agile WSJF |  Product Discovery Fake Door Test |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 45-90 min | 1-5 Tage | 20-35 min |
Participantsdifferent | 3-10 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Ranked Backlog, Cost-of-Delay Assumptions | Click Data, Interest Signal, Learning Decision | Test Card with a pre-set threshold |
Tagsno overlap | LeanEconomicsSequencePrioritization | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |
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