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| Criterion |  Agile Ideal Days |  Growth A/B Testing |  Product Discovery MVP Test Matrix |
|---|---|---|---|
Purposedifferent | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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. | 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 | High | Medium |
Timedifferent | 15-60 min | 1-4 Wochen | 45-75 min |
Participantsdifferent | 2-9 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Experiment results, Decision log, Learning summary | Test Matrix, Test Plan |
Tagsno overlap | EstimationEffortAgile | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryOptions |
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