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| Criterion |  Decision Making Three-Point Estimation |  Agile NoEstimates |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 10-30 min je Item | laufend | 30-120 min |
Participantsdifferent | 1-8 | 2-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Throughput Data, Flow Forecast, Slicing Rules | Observation Notes, Improvement Ideas |
Tagsno overlap | EstimationUncertaintyForecasting | EstimationForecastingFlow | LeanObservationProcessOperations |
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