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| Criterion |  UX Research Usability Testing |  Innovation Double Diamond |  Product Discovery Outcome-Driven Innovation |  UX Research Surveys |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-2 h je Session | Wochen bis Monate | Mehrere Wochen | 3-14 Tage |
Participantsdifferent | Based on research question | 3-12 | 2-6 researchers plus sample | 50+ |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Survey Results, Charts, Segment Insights |
Tagsno overlap | ValidationUXPrototype | ProcessDivergenceInnovation | OutcomesInnovationResearchQuantitative | QuantitativeResearchValidation |