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| Criterion |  Systems Thinking Future Reality Tree |  Decision Making Constraint Analysis |  Operations Root Cause Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | Low | Medium | High |
Timedifferent | 2-4 h | 30-90 min | 1-4 h | 2-6 h |
Participantsdifferent | 3-8 | 2-8 | 3-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ConstraintsDecisionPlanningOptions | Root causeProblem solvingQualityIncident | Systems thinkingRoot causeConstraintsCausality |