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| Criterion |  Growth Flywheel |  Product Discovery Assumption Mapping |  Product Discovery Test Card |
|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 60-120 min | 45-60 min | 20-35 min |
Participantsdifferent | 3-8 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold |
Tagsno overlap | GrowthRetentionConversion | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
