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| Criterion |  Delivery Communication Plan |  Delivery Cost of Delay |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 45-90 min | 90-180 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 2-6 | 3-8 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | CoD Table, Prioritization Sequence | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | PrioritizationDeliveryEconomicsDecision | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |