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| Criterion |  Product Discovery Fake Door Test |  Growth Flywheel |  Product Discovery MVP Test Matrix |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-5 Tage | 60-120 min | 45-75 min | 1-4 Wochen |
Participantsdifferent | Nutzertraffic | 3-8 | 2-8 | 1-6 |
Formatdifferent | Async | Workshop | Workshop | Async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Test Matrix, Test Plan | Experiment results, Decision log, Learning summary |
Tagsno overlap | ValidationExperimentsDemandDiscovery | GrowthRetentionConversion | ExperimentsValidationDiscoveryOptions | ExperimentsGrowthAnalyticsValidation |