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| Criterion |  Growth A/B Testing |  Growth North Star Metric |  Growth Flywheel |
|---|---|---|---|
Purposedifferent | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 h | 60-120 min |
Participantsdifferent | 1-6 | 3-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Experiment results, Decision log, Learning summary | North Star metric, Input metric tree, Measurement cadence | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog |
Tags1 shared | ExperimentsGrowthAnalyticsValidation | GrowthMetricsAlignmentRetention | GrowthRetentionConversion |
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