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| Criterion |  Innovation Double Diamond |  Innovation Design Thinking |  UX Research Usability Testing |  UX Research First-click 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | Wochen bis Monate | 1 Tag bis mehrere Wochen | 1-2 h je Session | 1-2 Tage |
Participantsdifferent | 3-12 | 4-10 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Statement, Prototype, Test Learnings | Usability Issues, Severity List, Recommendations | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ProcessDivergenceInnovation | InnovationPrototypeResearch | ValidationUXPrototype | UXNavigationFindabilityValidation |