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| Criterion |  UX Research User Interviews |  UX Research HEART Framework |  Product Discovery Kano Model |  Product Strategy KPI Tree |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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 metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 120 min initial, dann laufend | 1-2 Tage | 90-180 min initial, dann laufend |
Participantsdifferent | 1 participant per interview | 3-6 | 10-50 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | HEART-GSM Table, Dashboard | Kano Matrix, Feature Classes, Priority Themes | KPI Tree, Owner List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | MetricsUX researchMeasurementSatisfaction | SatisfactionPrioritizationCustomer | MetricsStrategyAlignmentMeasurement |