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| Criterion |  Agile Specification by Example |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 60-90 min pro Feature | 45-60 min | 1-5 Tage |
Participantsdifferent | 3-6 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Example Table, Acceptance Tests | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |
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