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| Criterion |  Systems Thinking Future Reality Tree |  Product Discovery Riskiest Assumption Test |  Systems Thinking Evaporating Cloud |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 2-4 h | 1-2 Wochen pro Iteration | 60-120 min | 25-40 min |
Participantsdifferent | 3-8 | 2-6 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Prioritized Assumption List, Test Plan, Results Report | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Learning Card with evidence and next action |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ExperimentsValidationDiscoveryAssumptions | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsValidationDiscoveryLearning |