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| Criterion |  Product Discovery Working Backwards |  Growth Flywheel |  Engineering Goal Question Metric |  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. | 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 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 60-120 min | 90-180 min | 1-2 h |
Participantsdifferent | 2-6 | 3-8 | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | GQM Table, Metric Profiles | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | VisionNarrativeAlignment | GrowthRetentionConversion | MetricsMeasurementEngineeringAlignment | GrowthMetricsAlignmentRetention |