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| Criterion |  UX Research HEART Framework |  UX Research Personas |  Product Discovery Kano Model |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | 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 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 | 120 min initial, dann laufend | 1-3 Tage | 1-2 Tage | 30–60 min per interview |
Participantsdifferent | 3-6 | Internes Team | 10-50 | 1 participant per interview |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | HEART-GSM Table, Dashboard | Persona Profiles, Needs Summary, Scenario Notes | Kano Matrix, Feature Classes, Priority Themes | Interview Notes, Themes, Insight Summary |
Tagsno overlap | MetricsUX researchMeasurementSatisfaction | ResearchCustomerSynthesis | SatisfactionPrioritizationCustomer | QualitativeResearchCustomerDiscovery |