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| Criterion |  Innovation Rapid Ideation |  Product Discovery Test Card |  Innovation Brainstorming |  Innovation Crazy 8s |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | 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 | 5-20 min | 20-35 min | 30-60 min | 8-15 min |
Participantsdifferent | 1-20 | 1-5 | 4-12 | 1-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | Test Card with a pre-set threshold | Idea pool, Theme clusters, Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | ExperimentsValidationDiscoveryHypothesis | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingSketchingSpeedDivergenceDesign sprint |