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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Product Discovery Outcome-Driven Innovation |  Innovation Design Sprint |
|---|---|---|---|---|
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 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. | 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 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 1-2 h je Session | 20-45 min | Mehrere Wochen | 4-5 Tage |
Participantsdifferent | Based on research question | Based on research question | 2-6 researchers plus sample | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | OutcomesInnovationResearchQuantitative | Design sprintPrototypeValidationInnovation |