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| Criterion |  UX Research Personas |  Growth A/B Testing |  UX Research User Interviews |
|---|---|---|---|
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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 Tage | 1-4 Wochen | 30–60 min per interview |
Participantsdifferent | Internes Team | 1-6 | 1 participant per interview |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Experiment results, Decision log, Learning summary | Interview Notes, Themes, Insight Summary |
Tagsno overlap | ResearchCustomerSynthesis | ExperimentsGrowthAnalyticsValidation | QualitativeResearchCustomerDiscovery |
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