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| Criterion |  Knowledge Modeling Teach-back |  Engineering Goal Question Metric |  UX Research HEART Framework |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | Teach-back checks whether an explanation actually got through to the other person. The method makes misunderstandings visible early and strengthens shared understanding in advisory and learning situations. | 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. | 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 product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 5-20 min | 90-180 min | 120 min initial, dann laufend | 1-2 h |
Participantsdifferent | 2-8 | 3-6 | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | GQM Table, Metric Profiles | HEART-GSM Table, Dashboard | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | LearningUnderstandingCommunication | MetricsMeasurementEngineeringAlignment | MetricsUX researchMeasurementSatisfaction | GrowthMetricsAlignmentRetention |