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| Criterion |  Operations Scatter Diagram |  Systems Thinking Current Reality Tree |  Operations 5 Whys |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | High | Low | High |
Timedifferent | 30-90 min | 2-6 h | 15-30 min | 2-6 h |
Participantsdifferent | 1-4 | 3-8 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Current Reality Tree, Core Problems, Intervention Ideas | Root cause notes, Countermeasures | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tags1 shared | Root causeQualityVisualization | Systems thinkingRoot causeConstraintsCausality | Root causeIncidentLeanProblem solving | CausalityIncidentRoot causeTimeline |