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Selected:Change AnalysisBehavior Over Time GraphSAAM (Software Architecture Analysis Method)Iceberg Model
| Criterion |  Operations Change Analysis |  Systems Thinking Behavior Over Time Graph |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Iceberg Model |
|---|---|---|---|---|
Purposedifferent | 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. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-120 min | 20-45 min | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min |
Participantsdifferent | 2-6 | 1-10 | Architecture experts and stakeholders for scenarios and weighting | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Behavior Over Time Graph, Trend Hypotheses, Key Events | 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 | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Systems thinkingPatternsDynamics | ArchitectureChangeAnalysisComparisonQuality | Systems thinkingRoot causePatterns |