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| Criterion |  Delivery Value Stream Mapping |  Product Discovery Test Card |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 20-35 min | 45-60 min |
Participantsdifferent | 4-10 | 1-5 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Test Card with a pre-set threshold | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | LeanFlowWasteDelivery | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskExperimentsValidation |
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