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| Criterion |  Agile Ideal Days |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Medium | Medium |
Timedifferent | 15-60 min | 45-60 min | 1-5 Tage |
Participantsdifferent | 2-9 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EstimationEffortAgile | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |
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