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Selected:DMAICLASR (Lightweight Approach for Software Reviews)Root Cause AnalysisFailure Mode and Effects Analysis
| Criterion |  Operations DMAIC |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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 a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 2-12 Wochen | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 h | 2-6 h |
Participantsdifferent | 3-10 | 1 or a small team; particularly suitable for 3–4 people | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tags1 shared | Continuous improvementQualityProcess improvement | ArchitectureQualityRiskAssessmentLean | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause |