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| Criterion |  Decision Making Constraint Analysis |  Operations 8D Problem Solving |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Low | High | High |
Timedifferent | 30-90 min | 1-6 Wochen | 2-6 h |
Participantsdifferent | 2-8 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ConstraintsDecisionPlanningOptions | QualityProblem solvingRoot cause | Systems thinkingRoot causeConstraintsCausality |
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