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Selected:Three AmigosLASR (Lightweight Approach for Software Reviews)Root Cause Analysis8D Problem Solving
| Criterion |  Agile Three Amigos |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Root Cause Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 15-30 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 h | 1-6 Wochen |
Participantsdifferent | 3 | 1 or a small team; particularly suitable for 3–4 people | 3-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tags1 shared | CollaborationBehavior-Driven DevelopmentQualityRefinement | ArchitectureQualityRiskAssessmentLean | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |