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| Criterion |  Systems Thinking Evaporating Cloud |  Operations A3 Problem Solving |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 60-120 min | 45-90 min | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | 2-8 | 2-5 | 2-6 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | A3 Report, Action Plan, Root Cause Analysis | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |