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| Criterion |  UX Research HEART Framework |  UX Research User Interviews |  Product Discovery Kano Model |
|---|---|---|---|
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 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 features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 120 min initial, dann laufend | 30–60 min per interview | 1-2 Tage |
Participantsdifferent | 3-6 | 1 participant per interview | 10-50 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | HEART-GSM Table, Dashboard | Interview Notes, Themes, Insight Summary | Kano Matrix, Feature Classes, Priority Themes |
Tagsno overlap | MetricsUX researchMeasurementSatisfaction | QualitativeResearchCustomerDiscovery | SatisfactionPrioritizationCustomer |
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