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| Criterion |  Product Discovery Test Card |  Decision Making Decision Matrix |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20-35 min | 45-90 min | 1-5 Tage | 25-40 min |
Participantsdifferent | 1-5 | 2-8 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Test Card with a pre-set threshold | Decision Matrix, Scoring Rationale, Selected Option | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | DecisionCriteriaScoringTradeoffs | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |