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| Criterion |  Growth Flywheel |  Growth Funnel Analysis |  Architecture ARID (Active Reviews for Intermediate Designs) |  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. | 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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 | 1-3 h | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h |
Participantsdifferent | 3-8 | 1-5 | Designers, developers as users, and facilitation | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Funnel report, Drop-off analysis, Optimization hypotheses | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | GrowthRetentionConversion | AnalyticsConversionGrowth | ArchitectureEngineeringFeedbackValidationTasks | GrowthMetricsAlignmentRetention |