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| Criterion |  Operations Learning Review |  Decision Making DACI |  DevOps Blameless Postmortem |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 30-60 min | 30-90 min | 45-90 min |
Participantsdifferent | 3-10 | 2-10 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | DACI Matrix, Decision Owner, Decision Log | Postmortem Doc, Action Items, Timeline | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | LearningRetrospectiveIncidentOperations | DecisionRolesGovernanceAlignment | Site Reliability EngineeringIncidentLearningReliability | RolesResponsibilityGovernanceOperations |