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| Criterion |  UX Research Tree Testing |  Innovation Crazy 8s |  UX Research Card Sorting |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 8-15 min | 20-45 min | 30-60 min |
Participantsdifferent | Based on research question | 1-10 | Based on research question | 4-12 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Sketch Set, Idea Shortlist, Direction Options | Content groups, Label set, IA hypotheses | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Information architectureNavigationFindability | BrainstormingSketchingSpeedDivergenceDesign sprint | Information architectureNavigationStructure | BrainstormingIdeationCreativityWorkshopDivergence |