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| Criterion |  Systems Thinking Causal Loop Diagram |  Operations 5 Whys |  Systems Thinking Current Reality Tree |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-3 h | 15-30 min | 2-6 h | 1-4 h |
Participantsdifferent | 2-8 | 2-6 | 3-8 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Causal Loop Diagram, Feedback Notes, Leverage Points | Root cause notes, Countermeasures | Current Reality Tree, Core Problems, Intervention Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | FeedbackSystems thinkingCausalityDynamics | Root causeIncidentLeanProblem solving | Systems thinkingRoot causeConstraintsCausality | Root causeProblem solvingQualityIncident |