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| Criterion |  Agile NoEstimates |  DevOps Blameless Postmortem |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | laufend | 30-90 min | 2-6 h |
Participantsdifferent | 2-12 | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Postmortem Doc, Action Items, Timeline | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | EstimationForecastingFlow | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingRoot causeConstraintsCausality |
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