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| Criterion |  Decision Making Pareto Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations ALPEN Method |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 30-60 min | Preparation, scenario analysis, and findings review; effort depends on scope | 10-20 min daily | 45-120 min |
Participantsdifferent | 1-6 | Architecture experts and stakeholders for scenarios and weighting | 1 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Pareto Chart, Top Causes, Focus List | 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 | Daily Plan, Time Estimates, Review Notes | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | PrioritizationQualityFocusRoot cause | ArchitectureChangeAnalysisComparisonQuality | PlanningTime managementProductivityOperations | ChangeRoot causeTroubleshootingComparison |