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| Criterion |  Innovation Lean Startup |  UX Research Tree Testing |  UX Research Card Sorting |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | 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 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 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 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-2 Tage | 20-45 min | 1-2 Tage |
Participantsdifferent | 2-8 | Based on research question | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | LeanStartupValidationMVP | Information architectureNavigationFindability | Information architectureNavigationStructure | UXNavigationFindabilityValidation |