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| Criterion |  Decision Making Three-Point Estimation |  Operations Learning Review |  Agile NoEstimates |  DevOps Blameless Postmortem |
|---|---|---|---|---|
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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 10-30 min je Item | 1-3 h | laufend | 30-90 min |
Participantsdifferent | 1-8 | 3-10 | 2-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Learning Review Notes, System Factors, Improvement Actions | Throughput Data, Flow Forecast, Slicing Rules | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | EstimationUncertaintyForecasting | LearningRetrospectiveIncidentOperations | EstimationForecastingFlow | Site Reliability EngineeringIncidentLearningReliability |