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| Criterion |  Product Discovery Fake Door Test |  Knowledge Modeling IBIS |
|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. |
Complexitysame | Medium | Medium |
Timedifferent | 1-5 Tage | 1-3 h |
Participantsdifferent | Nutzertraffic | 2-8 |
Formatdifferent | Async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Issue Map, Positions, Argument Notes |
Tagsno overlap | ValidationExperimentsDemandDiscovery | RationaleKnowledgeDecision |
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