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| Criterion |  Systems Thinking Future Reality Tree |  Decision Making Assumption Surfacing |  Product Discovery Fake Door Test |  Systems Thinking Evaporating Cloud |
|---|---|---|---|---|
Purposedifferent | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 2-4 h | 45-90 min | 1-5 Tage | 60-120 min |
Participantsdifferent | 3-8 | 2-8 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Assumption List, Critical Assumptions, Learning Plan | Click Data, Interest Signal, Learning Decision | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | AssumptionsRiskDecisionDiscovery | ValidationExperimentsDemandDiscovery | Theory of ConstraintsAssumptionsSystems thinking |