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| Criterion |  DevOps ChatOps |  Operations 5 Whys |  Systems Thinking Iceberg Model |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | Ongoing | 15-30 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-20 | 2-6 | 2-10 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Root cause notes, Countermeasures | Iceberg Worksheet, Pattern Notes, Intervention Ideas | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | CollaborationEngineeringIncident | Root causeIncidentLeanProblem solving | Systems thinkingRoot causePatterns | LeanProblem solvingCoachingOperations |