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| Criterion |  UX Research Tree Testing |  Innovation Crazy 8s |  Innovation Brainstorming |  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. | 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 team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 | 8-15 min | 30-60 min | 30-60 min |
Participantsdifferent | Based on research question | 1-10 | 4-12 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Sketch Set, Idea Shortlist, Direction Options | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Information architectureNavigationFindability | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk |