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| Criterion |  Delivery Value Stream Mapping |  Decision Making Assumption Surfacing |  Product Discovery Assumption Mapping |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 45-90 min | 45-60 min | 25-40 min |
Participantsdifferent | 4-10 | 2-8 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Assumption List, Critical Assumptions, Learning Plan | Assumption map, Test backlog, Risk ranking | Learning Card with evidence and next action |
Tagsno overlap | LeanFlowWasteDelivery | AssumptionsRiskDecisionDiscovery | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryLearning |