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| Criterion |  Operations Change Analysis |  Operations A3 Problem Solving |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | Medium | Medium | High |
Timedifferent | 45-120 min | 45-90 min | 2-6 h |
Participantsdifferent | 2-6 | 2-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | A3 Report, Action Plan, Root Cause Analysis | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | LeanProblem solvingCoachingOperations | Systems thinkingRoot causeConstraintsCausality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
