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| Criterion |  Product Strategy Lean Canvas |  Product Discovery Learning Card |  Product Discovery Test Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 25-40 min | 20-35 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-6 | 1-5 | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Learning Card with evidence and next action | Test Card with a pre-set threshold | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryAssumptions |