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| Criterion |  Innovation Design Thinking |  UX Research Usability Testing |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 1-2 h je Session | 45-120 min |
Participantsdifferent | 4-10 | Based on research question | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Usability Issues, Severity List, Recommendations | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | InnovationPrototypeResearch | ValidationUXPrototype | ChangeRoot causeTroubleshootingComparison |
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