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| Criterion |  Operations Ivy Lee Method |  Product Discovery Fake Door Test |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 5-10 min daily | 1-5 Tage | 25-40 min | 45-75 min |
Participantsdifferent | 1 | Nutzertraffic | 1-5 | 2-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | Daily Priority List, Completion Notes | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | PrioritizationProductivityExecution | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |