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| Criterion |  Systems Thinking Current Reality Tree |  Innovation Reverse Brainstorming |  Innovation Brainstorming |  Innovation Rapid Ideation |
|---|---|---|---|---|
Purposedifferent | 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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. | 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 | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 30-60 min | 5-20 min |
Participantsdifferent | 3-8 | 3-12 | 4-12 | 1-20 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationDivergenceSpeed |