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| Criterion |  Systems Thinking CATWOE Analysis |  Operations Kepner-Tregoe |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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 | High | Low | Medium |
Timedifferent | 45-90 min | 2-8 h | 15-30 min | 1-4 h |
Participantsdifferent | 3-8 | 2-8 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Systems thinkingFramingStakeholders | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |