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| Criterion |  Operations 8D Problem Solving |  Decision Making Constraint Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | High |
Timedifferent | 1-6 Wochen | 30-90 min | 2-6 h |
Participantsdifferent | 4-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | QualityProblem solvingRoot cause | ConstraintsDecisionPlanningOptions | Systems thinkingRoot causeConstraintsCausality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
