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| Criterion |  Growth Flywheel |  Product Discovery Experiment Canvas |  Decision Making Assumption Surfacing |  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 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 60-120 min | 30-60 min | 45-90 min | 20-35 min |
Participantsdifferent | 3-8 | 1-5 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Completed Experiment Canvas, Success Metric | Assumption List, Critical Assumptions, Learning Plan | Test Card with a pre-set threshold |
Tagsno overlap | GrowthRetentionConversion | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryHypothesis |