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| Criterion |  UX Research Tree Testing |  Innovation Reverse Brainstorming |  Innovation Crazy 8s |  Innovation Rolestorming |
|---|---|---|---|---|
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. | 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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | When a search for ideas stalls, switching roles helps people step outside their own perspective and activate new logics of action. The method reduces habit because contributions arise from a different stance. This brings unfamiliar, often fitting solution approaches into play. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 30-60 min | 8-15 min | 30-60 min |
Participantsdifferent | Based on research question | 3-12 | 1-10 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Reverse Ideas, Risk Themes, Solution Ideas | Sketch Set, Idea Shortlist, Direction Options | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist |
Tagsno overlap | Information architectureNavigationFindability | BrainstormingIdeationCreativityRisk | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativity |