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| Criterion |  UX Research Personas |  UX Research Usability Testing |  UX Research Card Sorting |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | 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 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 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 | Medium | Medium | Low | Medium |
Timedifferent | 1-3 Tage | 1-2 h je Session | 20-45 min | 30-60 min je Interview |
Participantsdifferent | Internes Team | Based on research question | Based on research question | 5-10 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | ResearchCustomerSynthesis | ValidationUXPrototype | Information architectureNavigationStructure | ValidationInterviewsPrototype |