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| Criterion |  Product Discovery Test Card |  Growth Flywheel |  Growth Funnel Analysis |
|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-35 min | 60-120 min | 1-3 h |
Participantsdifferent | 1-5 | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Test Card with a pre-set threshold | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Funnel report, Drop-off analysis, Optimization hypotheses |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | GrowthRetentionConversion | AnalyticsConversionGrowth |
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