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Selected:LASR (Lightweight Approach for Software Reviews)Fishbone DiagramKepner-TregoeA3 Problem Solving
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Fishbone Diagram |  Operations Kepner-Tregoe |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min | 2-8 h | 45-90 min |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-8 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | 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 | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Analysis, Decision Analysis, Risk Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | Root causeQualityOperations | Problem solvingRoot causeDecisionOperations | LeanProblem solvingCoachingOperations |