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Selected:Blameless PostmortemLASR (Lightweight Approach for Software Reviews)Start Stop ContinueMad Sad Glad
| Criterion |  DevOps Blameless Postmortem |  Architecture LASR (Lightweight Approach for Software Reviews) |  Agile Start Stop Continue |  Agile Mad Sad Glad |
|---|---|---|---|---|
Purposedifferent | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | When a team's or workshop's mood needs to become readable, it structures emotional signals with little setup. It makes strain, relief, and sources of energy tangible. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min | 30-60 min |
Participantsdifferent | 3-12 | 1 or a small team; particularly suitable for 3–4 people | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Start Stop Continue Board, Improvement Actions | Emotion Board, Themes, Action Items |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ArchitectureQualityRiskAssessmentLean | RetrospectiveImprovementTeamReflection | RetrospectiveTeamReflection |