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| Criterion |  DevOps ChatOps |  Decision Making Pre-Mortem |  Operations 5 Whys |
|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | Ongoing | 20–45 min | 15-30 min |
Participantsdifferent | 2-20 | Small cross-functional group | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Risk list, Mitigation plan, Assumption log | Root cause notes, Countermeasures |
Tagsno overlap | CollaborationEngineeringIncident | RiskDecisionFailurePlanning | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
