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| Criterion |  Agile NoEstimates |  Product Discovery Fake Door Test |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 | Medium | Medium | Low |
Timedifferent | laufend | 1-5 Tage | 20-35 min |
Participantsdifferent | 2-12 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Click Data, Interest Signal, Learning Decision | Test Card with a pre-set threshold |
Tagsno overlap | EstimationForecastingFlow | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |
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