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| Criterion | ![]() Systems Thinking Future Reality Tree | ![]() Innovation Brainstorming | ![]() Innovation Reverse Brainstorming | ![]() 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. | 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. | 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 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 | 2-4 h | 30-60 min | 30-60 min | 5-20 min |
Participantsdifferent | 3-8 | 4-12 | 3-12 | 1-20 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed |



