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| Criterion |  UX Research User Interviews |  UX Research HEART Framework |  Engineering Goal Question Metric |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | 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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 120 min initial, dann laufend | 90-180 min | 30-60 min |
Participantsdifferent | 1 participant per interview | 3-6 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | HEART-GSM Table, Dashboard | GQM Table, Metric Profiles | Counter Metric List, Guardrail Definitions |
Tagsno overlap | QualitativeResearchCustomerDiscovery | MetricsUX researchMeasurementSatisfaction | MetricsMeasurementEngineeringAlignment | MetricsMeasurementStrategyExperiments |