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| Criterion |  Agile NoEstimates |  Agile Ideal Days |  Product Discovery Riskiest Assumption 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 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 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | laufend | 15-60 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-12 | 2-9 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | EstimationForecastingFlow | EstimationEffortAgile | ExperimentsValidationDiscoveryAssumptions |
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