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| Criterion |  Product Discovery Learning Card |  Product Discovery Product Kata |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 25-40 min | 1-2 Wochen je Loop | 30-60 min | 1-5 Tage |
Participantsdifferent | 1-5 | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Learning Card with evidence and next action | Direction, Current metric, Target metric, Experiment note, Learning report | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tags1 shared | ExperimentsValidationDiscoveryLearning | OutcomesDiscoveryLearningIterationCoaching | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |