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| Criterion |  Growth Flywheel |  Decision Making PERT Estimation |  Growth Funnel Analysis |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | 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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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 | 60-120 min | 15-45 min | 1-3 h | 1-2 h |
Participantsdifferent | 3-8 | 1-8 | 1-5 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | PERT Estimate, Expected Value, Risk Notes | Funnel report, Drop-off analysis, Optimization hypotheses | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | GrowthRetentionConversion | EstimationUncertaintyRisk | AnalyticsConversionGrowth | GrowthMetricsAlignmentRetention |