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| Criterion |  Growth North Star Metric |  Engineering Fault Isolation |  UX Research HEART Framework |  Growth Flywheel |
|---|---|---|---|---|
Purposedifferent | 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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-2 h | 30-180 min | 120 min initial, dann laufend | 60-120 min |
Participantsdifferent | 3-8 | 1-6 | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | HEART-GSM Table, Dashboard | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog |
Tagsno overlap | GrowthMetricsAlignmentRetention | TroubleshootingDiagnosisEngineering | MetricsUX researchMeasurementSatisfaction | GrowthRetentionConversion |