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| Criterion |  Product Discovery Dual-Track Agile |  Delivery Cost of Delay |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When uncertainty and delivery run in parallel, it separates learning work from implementation while keeping both connected. It prevents unvalidated ideas from falling directly into the delivery stream. | 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. | 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 | Medium | High | Medium |
Timedifferent | Laufend, Wochen bis Monate | 90-180 min | 1-5 Tage |
Participantsdifferent | 4-10 | 3-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | CoD Table, Prioritization Sequence | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AgileDiscoveryDelivery | PrioritizationDeliveryEconomicsDecision | ValidationExperimentsDemandDiscovery |
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