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| Criterion |  Systems Thinking Evaporating Cloud |  Product Discovery Test Card |  Systems Thinking Current Reality Tree |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 60-120 min | 20-35 min | 2-6 h | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 1-5 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Test Card with a pre-set threshold | Current Reality Tree, Core Problems, Intervention Ideas | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsValidationDiscoveryHypothesis | Systems thinkingRoot causeConstraintsCausality | ExperimentsValidationDiscoveryAssumptions |