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| Criterion |  UX Research User Interviews |  Innovation Lean Startup |  UX Research Personas |
|---|---|---|---|
Purposedifferent | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | Wochen bis Monate je Lernzyklus | 1-3 Tage |
Participantsdifferent | 1 participant per interview | 2-8 | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | QualitativeResearchCustomerDiscovery | LeanStartupValidationMVP | ResearchCustomerSynthesis |
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