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| Criterion |  UX Research Tree Testing |  Innovation Crazy 8s |  Innovation Design Sprint |  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. | 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 | Low | High | Low |
Timedifferent | 1-2 Tage | 8-15 min | 4-5 Tage | 20-45 min |
Participantsdifferent | Based on research question | 1-10 | 5-8 | Based on research question |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Sketch Set, Idea Shortlist, Direction Options | Prototype, Test Findings, Decision Rationale | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | BrainstormingSketchingSpeedDivergenceDesign sprint | Design sprintPrototypeValidationInnovation | Information architectureNavigationStructure |