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| Criterion |  UX Research Card Sorting |  Innovation Reverse Brainstorming |  Innovation Round Robin 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. | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 20-45 min | 30-60 min | 20-45 min |
Participantsdifferent | Based on research question | 3-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Reverse Ideas, Risk Themes, Solution Ideas | Idea List, Cluster, Shortlist |
Tagsno overlap | Information architectureNavigationStructure | BrainstormingIdeationCreativityRisk | BrainstormingIdeationFacilitationInclusionCreativity |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
