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| Criterion |  Operations 8D Problem Solving |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-6 Wochen | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-3 h |
Participantsdifferent | 4-10 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | 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 | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | QualityProblem solvingRoot cause | ArchitectureQualityRiskAssessmentLean | Root causeTreeIncidentQuality |
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