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| Criterion |  UX Research Tree Testing |  UX Research First-click Testing |  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 users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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 | 1-2 Tage | 8-15 min | 20-45 min |
Participantsdifferent | Based on research question | 10-30 | 1-10 | Based on research question |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations | Sketch Set, Idea Shortlist, Direction Options | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | UXNavigationFindabilityValidation | BrainstormingSketchingSpeedDivergenceDesign sprint | Information architectureNavigationStructure |