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| Criterion |  UX Research Tree Testing |  Innovation Contradiction Analysis |  UX Research Usability Testing |  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 system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 60-120 min | 1-2 h je Session | 20-45 min |
Participantsdifferent | Based on research question | 2-8 | Based on research question | Based on research question |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | ContradictionsInnovationProblem solving | ValidationUXPrototype | Information architectureNavigationStructure |