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| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Interview |  Product Strategy KPI Tree |  Engineering Goal Question Metric |
|---|---|---|---|---|
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. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 90-180 min initial, dann laufend | 90-180 min |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | KPI Tree, Owner List | GQM Table, Metric Profiles |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | MetricsStrategyAlignmentMeasurement | MetricsMeasurementEngineeringAlignment |