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| Criterion |  UX Research Surveys |  Innovation Double Diamond |  Innovation Design Thinking |  UX Research Usability Testing |
|---|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 3-14 Tage | Wochen bis Monate | 1 Tag bis mehrere Wochen | 1-2 h je Session |
Participantsdifferent | 50+ | 3-12 | 4-10 | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Statement, Prototype, Test Learnings | Usability Issues, Severity List, Recommendations |
Tagsno overlap | QuantitativeResearchValidation | ProcessDivergenceInnovation | InnovationPrototypeResearch | ValidationUXPrototype |