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| Criterion |  Decision Making Decision Tree |  Systems Thinking Future Reality Tree |  Operations ALPEN Method |
|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 30-90 min | 2-4 h | 10-20 min daily |
Participantsdifferent | 1-6 | 3-8 | 1 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | DecisionTreeOptions | Theory of ConstraintsSystems thinkingChange | PlanningTime managementProductivityOperations |
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