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| Criterion |  Operations DMAIC |  Operations Bottleneck Analysis |  Systems Thinking Causal Loop Diagram |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | 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 | High | Medium | Medium | High |
Timedifferent | 2-12 Wochen | 1-3 h | 1-3 h | 2-6 h |
Participantsdifferent | 3-10 | 3-8 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Causal Loop Diagram, Feedback Notes, Leverage Points | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Continuous improvementQualityProcess improvement | FlowMeasurementConstraints | FeedbackSystems thinkingCausalityDynamics | Systems thinkingRoot causeConstraintsCausality |