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| Criterion |  Engineering Kanban |  Product Discovery Assumption Mapping |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 | Ongoing | 45-60 min | 20-35 min |
Participantsdifferent | 2-12 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold |
Tagsno overlap | FlowVisual managementDelivery | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis |
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