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| Criterion |  Operations 8D Problem Solving |  Operations Scatter Diagram |  Systems Thinking Current Reality Tree |  Operations Causal Factor Analysis |
|---|---|---|---|---|
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. | 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. | 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | High | Low | High | High |
Timedifferent | 1-6 Wochen | 30-90 min | 2-6 h | 2-6 h |
Participantsdifferent | 4-10 | 1-4 | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Current Reality Tree, Core Problems, Intervention Ideas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tags1 shared | QualityProblem solvingRoot cause | Root causeQualityVisualization | Systems thinkingRoot causeConstraintsCausality | CausalityIncidentRoot causeTimeline |