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| Criterion |  Agile Affinity Estimation |  Product Discovery Learning Card |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 30-90 min | 25-40 min | 1-5 Tage | 45-75 min |
Participantsdifferent | 3-12 | 1-5 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |