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| Criterion |  Knowledge Modeling IBIS |  Architecture Architecture Communication Canvas |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 60-120 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RationaleKnowledgeDecision | ArchitectureCommunicationStakeholdersCanvas | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |