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| Criterion |  Systems Thinking Leverage Points |  Operations 5 Whys |  Operations Causal Factor Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | 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. | 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. |
Complexitydifferent | High | Low | High | High |
Timedifferent | Half day | 15-30 min | 2-6 h | 1-6 Wochen |
Participantsdifferent | 3-12 | 2-6 | 3-10 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Leverage Map, Action Strategy | Root cause notes, Countermeasures | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Systems thinkingChangeStrategy | Root causeIncidentLeanProblem solving | CausalityIncidentRoot causeTimeline | QualityProblem solvingRoot cause |