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| Criterion |  Product Discovery Fake Door Test |  Systems Thinking Future Reality Tree |  Product Discovery Learning Card |
|---|---|---|---|
Purposedifferent | 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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-5 Tage | 2-4 h | 25-40 min |
Participantsdifferent | Nutzertraffic | 3-8 | 1-5 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Learning Card with evidence and next action |
Tagsno overlap | ValidationExperimentsDemandDiscovery | Theory of ConstraintsSystems thinkingChange | ExperimentsValidationDiscoveryLearning |
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