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| Criterion |  Delivery Communication Plan |  Operations Fishbone Diagram |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 45-90 min | 30-60 min | 15-30 min | 1-4 h |
Participantsdifferent | 2-6 | 2-8 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Fishbone Diagram, Cause Categories, Investigation Backlog | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | Root causeQualityOperations | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |