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| Criterion |  UX Research Tree Testing |  Innovation Rapid Ideation |  Innovation Crazy 8s |  UX Research Card Sorting |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 5-20 min | 8-15 min | 20-45 min |
Participantsdifferent | Based on research question | 1-20 | 1-10 | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Ideenpool, Roh-Shortlist, Cluster | Sketch Set, Idea Shortlist, Direction Options | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | BrainstormingIdeationDivergenceSpeed | BrainstormingSketchingSpeedDivergenceDesign sprint | Information architectureNavigationStructure |