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Selected:Value Chain Analysis8D Problem SolvingLASR (Lightweight Approach for Software Reviews)5 Whys
| Criterion |  Business Strategy Value Chain Analysis |  Operations 8D Problem Solving |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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 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 | High | High | Medium | Low |
Timedifferent | Half day | 1-6 Wochen | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-30 min |
Participantsdifferent | 3-8 | 4-10 | 1 or a small team; particularly suitable for 3–4 people | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Value Chain Map, Lever List | 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 | Root cause notes, Countermeasures |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | QualityProblem solvingRoot cause | ArchitectureQualityRiskAssessmentLean | Root causeIncidentLeanProblem solving |