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| Criterion |  Product Discovery Product Kata |  Product Discovery Test Card |  Product Discovery Fake Door Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 Wochen je Loop | 20-35 min | 1-5 Tage | 30-60 min |
Participantsdifferent | 3-10 | 1-5 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Direction, Current metric, Target metric, Experiment note, Learning report | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision | Completed Experiment Canvas, Success Metric |
Tags1 shared | OutcomesDiscoveryLearningIterationCoaching | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |