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Selected:Change AnalysisCurrent Reality TreeFailure Mode and Effects AnalysisTheory of Constraints Thinking Process
| Criterion |  Operations Change Analysis |  Systems Thinking Current Reality Tree |  Operations Failure Mode and Effects Analysis |  Systems Thinking Theory of Constraints Thinking Process |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 45-120 min | 2-6 h | 2-6 h | 0.5-3 Tage |
Participantsdifferent | 2-6 | 3-8 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Current Reality Tree, Core Problems, Intervention Ideas | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Systems thinkingRoot causeConstraintsCausality | RiskQualityOperationsRoot cause | Theory of ConstraintsConstraintsSystems thinkingCausality |