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| Criterion |  Agile Acceptance Criteria Workshop |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Low | Medium |
Timedifferent | 20-40 min pro Story | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-6 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Acceptance Criteria, Story Update | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AgileRequirementsRefinementBehavior-Driven Development | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |
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