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| Criterion |  UX Research Personas |  Product Discovery Kano Model |  UX Research Surveys |  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 features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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 | Medium | Medium | Low |
Timedifferent | 1-3 Tage | 1-2 Tage | 3-14 Tage | 30–60 min per interview |
Participantsdifferent | Internes Team | 10-50 | 50+ | 1 participant per interview |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Kano Matrix, Feature Classes, Priority Themes | Survey Results, Charts, Segment Insights | Interview Notes, Themes, Insight Summary |
Tagsno overlap | ResearchCustomerSynthesis | SatisfactionPrioritizationCustomer | QuantitativeResearchValidation | QualitativeResearchCustomerDiscovery |