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| Criterion |  Product Discovery Kano Model |  UX Research Personas |  Product Discovery Jobs to Be Done |  UX Research User Interviews |
|---|---|---|---|---|
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 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 switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | 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 | 1-2 Tage | 1-3 Tage | 1-3 Wochen | 30–60 min per interview |
Participantsdifferent | 10-50 | Internes Team | 5-12 Interviews | 1 participant per interview |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Persona Profiles, Needs Summary, Scenario Notes | Job Stories, Outcome Statements, Opportunity List | Interview Notes, Themes, Insight Summary |
Tags1 shared | SatisfactionPrioritizationCustomer | ResearchCustomerSynthesis | CustomerOutcomesNeeds | QualitativeResearchCustomerDiscovery |