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Selected:Failure Mode and Effects AnalysisLASR (Lightweight Approach for Software Reviews)Current Reality TreeFishbone Diagram
| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Systems Thinking Current Reality Tree |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 2-6 h | 30-60 min |
Participantsdifferent | 3-10 | 1 or a small team; particularly suitable for 3–4 people | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | 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 | Current Reality Tree, Core Problems, Intervention Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | ArchitectureQualityRiskAssessmentLean | Systems thinkingRoot causeConstraintsCausality | Root causeQualityOperations |