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| Criterion |  UX Research Card Sorting |  Innovation Lean Startup |  UX Research First-click Testing |  UX Research Tree Testing |
|---|---|---|---|---|
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 uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 20-45 min | Wochen bis Monate je Lernzyklus | 1-2 Tage | 1-2 Tage |
Participantsdifferent | Based on research question | 2-8 | 10-30 | Based on research question |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Click Heatmap, Success Rate, Design Recommendations | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | Information architectureNavigationStructure | LeanStartupValidationMVP | UXNavigationFindabilityValidation | Information architectureNavigationFindability |