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| Criterion |  UX Research Card Sorting |  Innovation Brainstorming |  Innovation Design Charrette |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 20-45 min | 30-60 min | Halber Tag bis mehrere Tage | 30-60 min |
Participantsdifferent | Based on research question | 4-12 | 10-50 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Idea pool, Theme clusters, Shortlist | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Information architectureNavigationStructure | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingWorkshopCollaborationIdeation | BrainstormingIdeationCreativityRisk |