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Selected:Learning Review4Ls RetrospectiveLASR (Lightweight Approach for Software Reviews)ATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations Learning Review |  Agile 4Ls Retrospective |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | 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. | 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 1-3 h | 45–75 min | 3–4 h for initial assessment; preparation and deeper analysis additional | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-10 | Team members involved | 1 or a small team; particularly suitable for 3–4 people | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions | 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 | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | LearningRetrospectiveIncidentOperations | RetrospectiveLearningReflectionTeam | ArchitectureQualityRiskAssessmentLean | ArchitectureQualityRiskTradeoffsStakeholders |