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| Criterion |  Decision Making Three-Point Estimation |  Operations Waste Analysis |  Systems Thinking Future Reality Tree |  Systems Thinking Leverage Points |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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. | 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 10-30 min je Item | 45-120 min | 2-4 h | Half day |
Participantsdifferent | 1-8 | 2-8 | 3-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Waste Map, Prioritized Waste, Improvement Backlog | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Leverage Map, Action Strategy |
Tagsno overlap | EstimationUncertaintyForecasting | WasteLeanProcess improvement | Theory of ConstraintsSystems thinkingChange | Systems thinkingChangeStrategy |