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Selected:LASR (Lightweight Approach for Software Reviews)Assumption SurfacingRoot Cause Analysis8D Problem Solving
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Assumption Surfacing |  Operations Root Cause Analysis |  Operations 8D 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Medium | Low | Medium | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min | 1-4 h | 1-6 Wochen |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 3-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | 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 | Assumption List, Critical Assumptions, Learning Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskDecisionDiscovery | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |