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| Criterion |  Agile NoEstimates |  Systems Thinking Current Reality Tree |  Systems Thinking Iceberg Model |  Operations Bottleneck Analysis |
|---|---|---|---|---|
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. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | laufend | 2-6 h | 30-60 min | 1-3 h |
Participantsdifferent | 2-12 | 3-8 | 2-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Current Reality Tree, Core Problems, Intervention Ideas | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | EstimationForecastingFlow | Systems thinkingRoot causeConstraintsCausality | Systems thinkingRoot causePatterns | FlowMeasurementConstraints |