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| Criterion |  UX Research Card Sorting |  UX Research Personas |  UX Research Usability Testing |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | 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. | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | 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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20-45 min | 1-3 Tage | 1-2 h je Session | 30-60 min je Interview |
Participantsdifferent | Based on research question | Internes Team | Based on research question | 5-10 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Persona Profiles, Needs Summary, Scenario Notes | Usability Issues, Severity List, Recommendations | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | Information architectureNavigationStructure | ResearchCustomerSynthesis | ValidationUXPrototype | ValidationInterviewsPrototype |