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| Criterion |  Product Discovery Learning Card |  Product Discovery Test Card |  Innovation Design Charrette |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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 | Medium |
Timedifferent | 25-40 min | 20-35 min | Halber Tag bis mehrere Tage | 1-5 Tage |
Participantsdifferent | 1-5 | 1-5 | 10-50 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Learning Card with evidence and next action | Test Card with a pre-set threshold | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis | BrainstormingWorkshopCollaborationIdeation | ValidationExperimentsDemandDiscovery |