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| Criterion |  Systems Thinking Future Reality Tree |  Innovation Crazy 8s |  Systems Thinking Evaporating Cloud |  Innovation Rapid Ideation |
|---|---|---|---|---|
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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 2-4 h | 8-15 min | 60-120 min | 5-20 min |
Participantsdifferent | 3-8 | 1-10 | 2-8 | 1-20 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Sketch Set, Idea Shortlist, Direction Options | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | BrainstormingSketchingSpeedDivergenceDesign sprint | Theory of ConstraintsAssumptionsSystems thinking | BrainstormingIdeationDivergenceSpeed |