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| Criterion |  Operations A3 Problem Solving |  Systems Thinking Behavior Over Time Graph |  Systems Thinking CATWOE Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-90 min | 20-45 min | 45-90 min | 15-30 min |
Participantsdifferent | 2-5 | 1-10 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Behavior Over Time Graph, Trend Hypotheses, Key Events | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | Systems thinkingPatternsDynamics | Systems thinkingFramingStakeholders | Root causeIncidentLeanProblem solving |