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| Criterion |  Delivery MoSCoW |  Operations 5 Whys |  Operations Kepner-Tregoe |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When a release carries too many demands and priorities are only ever negotiated, MoSCoW creates clear boundaries for the next cut. Must, Should, Could, and Won't make commitment, room for maneuver, and trade-off logic visible to everyone involved. | 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. | 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. | 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 | Low | Low | High | Medium |
Timedifferent | 30-90 min | 15-30 min | 2-8 h | 1-4 h |
Participantsdifferent | 3-12 | 2-6 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized Backlog, Release Scope, Tradeoff Notes | Root cause notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | PrioritizationScopeDecision | Root causeIncidentLeanProblem solving | Problem solvingRoot causeDecisionOperations | Root causeProblem solvingQualityIncident |