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| Criterion |  Operations 5 Whys |  Operations Root Cause Analysis |  Facilitation Decision Jam |
|---|---|---|---|
Purposedifferent | 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. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-30 min | 1-4 h | 60-90 min |
Participantsdifferent | 2-6 | 3-8 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Cluster, Prioritized Challenge, Experiment |
Tags1 shared | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident | FacilitationDecisionProblem solvingWorkshop |
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