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Selected:PESTLE AnalysisChange AnalysisLASR (Lightweight Approach for Software Reviews)SAAM (Software Architecture Analysis Method)
| Criterion |  Business Strategy PESTLE Analysis |  Operations Change Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
Purposedifferent | PESTLE Analysis makes political, economic, social, technological, legal, and environmental influences visible. The environment of an initiative is thereby read systematically instead of through isolated trends. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-3 h | 45-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-10 | 2-6 | 1 or a small team; particularly suitable for 3–4 people | Architecture experts and stakeholders for scenarios and weighting |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PESTLE Map, External Risks, Strategic Questions | Change Matrix, Cause Hypotheses, Validation Questions, Action List | 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 | 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 |
Tagsno overlap | StrategyMarketAnalysis | ChangeRoot causeTroubleshootingComparison | ArchitectureQualityRiskAssessmentLean | ArchitectureChangeAnalysisComparisonQuality |