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| Criterion |  Systems Thinking Future Reality Tree |  Innovation Reverse Brainstorming |  Innovation Lotus Blossom |  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. | 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 central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | 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 | 45-90 min | 5-20 min |
Participantsdifferent | 3-8 | 3-12 | 3-10 | 1-20 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationDivergenceSpeed |