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| Criterion |  Systems Thinking Future Reality Tree |  Product Discovery Hypothesis Prioritization Canvas |  Systems Thinking Evaporating Cloud |  Product Discovery Test 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 2-4 h | 60-90 min | 60-120 min | 20-35 min |
Participantsdifferent | 3-8 | 3-8 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Prioritization Canvas, Hypothesis Backlog | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Test Card with a pre-set threshold |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ExperimentsPrioritizationDiscoveryHypothesis | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsValidationDiscoveryHypothesis |