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| Criterion |  Product Discovery Pretotyping |  Operations A3 Problem Solving |  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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | 45-90 min | 1-5 Tage | 25-40 min |
Participantsdifferent | 1-4 | 2-5 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | A3 Report, Action Plan, Root Cause Analysis | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | ValidationDemandMVP | LeanProblem solvingCoachingOperations | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |