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| Criterion |  UX Research Contextual Inquiry |  UX Research Usability Testing |  UX Research Card Sorting |
|---|---|---|---|
Purposedifferent | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-3 Wochen | 1-2 h je Session | 20-45 min |
Participantsdifferent | 4-12 Beobachtungen | Based on research question | Based on research question |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses |
Tagsno overlap | UX researchObservationContext | ValidationUXPrototype | Information architectureNavigationStructure |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
