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Selected:LASR (Lightweight Approach for Software Reviews)Kepner-Tregoe5 WhysFailure Mode and Effects Analysis
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Kepner-Tregoe |  Operations 5 Whys |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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 | Medium | High | Low | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 2-8 h | 15-30 min | 2-6 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
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 | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause |