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| Criterion |  Operations 5 Whys |  Operations Root Cause Analysis |  Facilitation Decision Jam |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 15-30 min | 1-4 h | 60-90 min | 2-8 h |
Participantsdifferent | 2-6 | 3-8 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Cluster, Prioritized Challenge, Experiment | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident | FacilitationDecisionProblem solvingWorkshop | Problem solvingRoot causeDecisionOperations |