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| Criterion |  Product Discovery Kano Model |  UX Research User Interviews |  UX Research Personas |
|---|---|---|---|
Purposedifferent | 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 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 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 | Medium | Low | Medium |
Timedifferent | 1-2 Tage | 30–60 min per interview | 1-3 Tage |
Participantsdifferent | 10-50 | 1 participant per interview | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Interview Notes, Themes, Insight Summary | Persona Profiles, Needs Summary, Scenario Notes |
Tags1 shared | SatisfactionPrioritizationCustomer | QualitativeResearchCustomerDiscovery | ResearchCustomerSynthesis |
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