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Selected:LASR (Lightweight Approach for Software Reviews)Scatter DiagramSAAM (Software Architecture Analysis Method)5 Whys
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Scatter Diagram |  Architecture SAAM (Software Architecture Analysis Method) |  Operations 5 Whys |
|---|---|---|---|---|
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. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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 | Medium | Low | High | Low |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 15-30 min |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-4 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | 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 | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | Root causeQualityVisualization | ArchitectureChangeAnalysisComparisonQuality | Root causeIncidentLeanProblem solving |