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| Criterion |  Decision Making DACI |  Innovation Brainstorming |  Innovation Rapid Ideation |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. | 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 | 30-60 min | 5-20 min | 8-15 min |
Participantsdifferent | 2-10 | 4-12 | 1-20 | 1-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Idea pool, Theme clusters, Shortlist | Ideenpool, Roh-Shortlist, Cluster | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | DecisionRolesGovernanceAlignment | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationDivergenceSpeed | BrainstormingSketchingSpeedDivergenceDesign sprint |