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| Criterion |  Systems Thinking Future Reality Tree |  Operations 8D Problem Solving |  Operations Scatter Diagram |
|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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 the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-4 h | 1-6 Wochen | 30-90 min |
Participantsdifferent | 3-8 | 4-10 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | QualityProblem solvingRoot cause | Root causeQualityVisualization |
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