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| Criterion |  Agile Affinity Estimation |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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. | 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 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 45-75 min | 1-5 Tage | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-12 | 2-8 | Nutzertraffic | 2-6 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions |