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| Criterion |  UX Research Usability Testing |  Innovation Design Sprint |  UX Research Card Sorting |
|---|---|---|---|
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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-2 h je Session | 4-5 Tage | 20-45 min |
Participantsdifferent | Based on research question | 5-8 | Based on research question |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prototype, Test Findings, Decision Rationale | Content groups, Label set, IA hypotheses |
Tagsno overlap | ValidationUXPrototype | Design sprintPrototypeValidationInnovation | Information architectureNavigationStructure |
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