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| Criterion |  Innovation Reverse Brainstorming |  Innovation Rapid Ideation |  Innovation Round Robin Brainstorming |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 5-20 min | 20-45 min | 8-15 min |
Participantsdifferent | 3-12 | 1-20 | 4-10 | 1-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster | Idea List, Cluster, Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tags1 shared | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingSketchingSpeedDivergenceDesign sprint |