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| Criterion |  Innovation Double Diamond |  UX Research Usability Testing |  UX Research Tree Testing |
|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate | 1-2 h je Session | 1-2 Tage |
Participantsdifferent | 3-12 | Based on research question | Based on research question |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Usability Issues, Severity List, Recommendations | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | ProcessDivergenceInnovation | ValidationUXPrototype | Information architectureNavigationFindability |
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