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| Criterion |  Growth Flywheel |  Growth Funnel Analysis |  Product Discovery Test Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-120 min | 1-3 h | 20-35 min | 30-60 min |
Participantsdifferent | 3-8 | 1-5 | 1-5 | 1-5 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Funnel report, Drop-off analysis, Optimization hypotheses | Test Card with a pre-set threshold | Completed Experiment Canvas, Success Metric |
Tagsno overlap | GrowthRetentionConversion | AnalyticsConversionGrowth | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |