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| Criterion |  Facilitation Expectation Mapping |  Operations A3 Problem Solving |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | 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. | 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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 45-90 min | 30-90 min | 45–75 min |
Participantsdifferent | 3-12 | 2-5 | 3-12 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Expectation Map, Alignment Notes, Agreements | A3 Report, Action Plan, Root Cause Analysis | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | AlignmentStakeholdersTeam | LeanProblem solvingCoachingOperations | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam |