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| Criterion |  Innovation Brainstorming |  UX Research Card Sorting |  Innovation Reverse Brainstorming |  Innovation Rapid Ideation |
|---|---|---|---|---|
Purposedifferent | 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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 20-45 min | 30-60 min | 5-20 min |
Participantsdifferent | 4-12 | Based on research question | 3-12 | 1-20 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Content groups, Label set, IA hypotheses | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | Information architectureNavigationStructure | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed |