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| Criterion |  Innovation Rapid Ideation |  Innovation Reverse Brainstorming |  Facilitation 1-2-4-All |
|---|---|---|---|
Purposedifferent | 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. | 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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitysame | Low | Low | Low |
Timedifferent | 5-20 min | 30-60 min | 10-20 min |
Participantsdifferent | 1-20 | 3-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | Reverse Ideas, Risk Themes, Solution Ideas | Idea List, Shared Insights, Emergent Themes |
Tags1 shared | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityRisk | FacilitationInclusionIdeation |
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