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| Criterion |  Agile NoEstimates |  Systems Thinking Iceberg Model |  Operations Bottleneck Analysis |  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. | 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. | 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 | Low | Medium | High |
Timedifferent | laufend | 30-60 min | 1-3 h | 2-6 h |
Participantsdifferent | 2-12 | 2-10 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | EstimationForecastingFlow | Systems thinkingRoot causePatterns | FlowMeasurementConstraints | Systems thinkingRoot causeConstraintsCausality |