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| Criterion |  Agile NoEstimates |  Product Discovery Riskiest Assumption Test |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | laufend | 1-2 Wochen pro Iteration | 45-75 min | 1-5 Tage |
Participantsdifferent | 2-12 | 2-6 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Prioritized Assumption List, Test Plan, Results Report | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EstimationForecastingFlow | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery |