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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Innovation Lotus Blossom |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
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 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 central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 20-45 min | 45-90 min | 30-60 min |
Participantsdifferent | Based on research question | Based on research question | 3-10 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | Lotus Diagram, Idea Themes, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationCreativityRisk |