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| Criterion |  UX Research Card Sorting |  UX Research Tree Testing |  Operations Kaizen Event |
|---|---|---|---|
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. | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 1-2 Tage | 0.5-5 Tage |
Participantsdifferent | Based on research question | Based on research question | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | Information architectureNavigationStructure | Information architectureNavigationFindability | LeanContinuous improvementOperations |
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