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Selected:LASR (Lightweight Approach for Software Reviews)Learning ReviewFishbone DiagramRoot Cause Analysis
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Learning Review |  Operations Fishbone Diagram |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-3 h | 30-60 min | 1-4 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 3-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | 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 | Learning Review Notes, System Factors, Improvement Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | LearningRetrospectiveIncidentOperations | Root causeQualityOperations | Root causeProblem solvingQualityIncident |