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| Criterion |  Operations 8D Problem Solving |  Innovation TRIZ |  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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. |
Complexitysame | High | High | High |
Timedifferent | 1-6 Wochen | 1-4 h | 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 | Contradiction Statement, Inventive Principles, Solution Concepts | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | QualityProblem solvingRoot cause | InnovationProblem solvingContradictionsCreativity | Systems thinkingRoot causeConstraintsCausality |
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