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Selected:Learning ReviewRoot Cause Tree AnalysisLASR (Lightweight Approach for Software Reviews)Fishbone Diagram
| Criterion |  Operations Learning Review |  Operations Root Cause Tree Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 h | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min |
Participantsdifferent | 3-10 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Cause Tree, Evidence Notes, Countermeasures | 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 | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LearningRetrospectiveIncidentOperations | Root causeTreeIncidentQuality | ArchitectureQualityRiskAssessmentLean | Root causeQualityOperations |