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| Criterion |  Engineering Kanban |  Delivery Cost of Delay |  Product Discovery Test Card |  Product Discovery Learning 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | Ongoing | 90-180 min | 20-35 min | 25-40 min |
Participantsdifferent | 2-12 | 3-8 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | CoD Table, Prioritization Sequence | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | FlowVisual managementDelivery | PrioritizationDeliveryEconomicsDecision | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |