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| Criterion |  Product Discovery Pretotyping |  Operations Barrier Analysis |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | Stunden bis wenige Tage | 2-4 h | 1-5 Tage | 25-40 min |
Participantsdifferent | 1-4 | 2-6 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | ValidationDemandMVP | Root causeSafetyIncident | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |