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| Criterion |  Operations ABC Analysis |  Systems Thinking Current Reality Tree |  Operations Failure Mode and Effects Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | Low | High | High | High |
Timedifferent | 30-60 min | 2-6 h | 2-6 h | 1-6 Wochen |
Participantsdifferent | 1-5 | 3-8 | 3-10 | 4-10 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Current Reality Tree, Core Problems, Intervention Ideas | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | PrioritizationOperationsPortfolio | Systems thinkingRoot causeConstraintsCausality | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause |