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Selected:Constraint AnalysisLASR (Lightweight Approach for Software Reviews)8D Problem Solving5 Whys
| Criterion |  Decision Making Constraint Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations 8D Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 30-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-6 Wochen | 15-30 min |
Participantsdifferent | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | 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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureQualityRiskAssessmentLean | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving |