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| Criterion |  Product Discovery Working Backwards |  Growth Flywheel |  Growth A/B Testing |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 60-120 min | 1-4 Wochen | 1-2 h |
Participantsdifferent | 2-6 | 3-8 | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Experiment results, Decision log, Learning summary | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | VisionNarrativeAlignment | GrowthRetentionConversion | ExperimentsGrowthAnalyticsValidation | GrowthMetricsAlignmentRetention |