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| Criterion |  Operations DMAIC |  Systems Thinking Leverage Points |  Decision Making Delphi Method |  Systems Thinking Future 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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. |
Complexitysame | High | High | High | High |
Timedifferent | 2-12 Wochen | Half day | 1-4 Wochen | 2-4 h |
Participantsdifferent | 3-10 | 3-12 | 6-30 Experten | 3-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Leverage Map, Action Strategy | Expert Forecast, Consensus Range, Assumption Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | Continuous improvementQualityProcess improvement | Systems thinkingChangeStrategy | ForecastingExpertsDecisionStrategy | Theory of ConstraintsSystems thinkingChange |