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| Criterion |  Systems Thinking Behavior Over Time Graph |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | High | Low |
Timedifferent | 20-45 min | 2-8 h | 15-30 min |
Participantsdifferent | 1-10 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Behavior Over Time Graph, Trend Hypotheses, Key Events | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | Systems thinkingPatternsDynamics | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |
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