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| Criterion |  Systems Thinking Future Reality Tree |  Innovation Design Thinking |  Innovation Crazy 8s |  Innovation Brainstorming |
|---|---|---|---|---|
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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | High | High | Low | Low |
Timedifferent | 2-4 h | 1 Tag bis mehrere Wochen | 8-15 min | 30-60 min |
Participantsdifferent | 3-8 | 4-10 | 1-10 | 4-12 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Problem Statement, Prototype, Test Learnings | Sketch Set, Idea Shortlist, Direction Options | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | InnovationPrototypeResearch | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativityWorkshopDivergence |