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| Criterion |  UX Research Personas |  UX Research Usability Testing |  UX Research User Interviews |  Innovation Design Sprint |
|---|---|---|---|---|
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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 | Medium | Low | High |
Timedifferent | 1-3 Tage | 1-2 h je Session | 30–60 min per interview | 4-5 Tage |
Participantsdifferent | Internes Team | Based on research question | 1 participant per interview | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Usability Issues, Severity List, Recommendations | Interview Notes, Themes, Insight Summary | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ResearchCustomerSynthesis | ValidationUXPrototype | QualitativeResearchCustomerDiscovery | Design sprintPrototypeValidationInnovation |