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| Criterion |  Delivery MoSCoW |  Architecture SAAM (Software Architecture Analysis Method) |  Operations 5 Whys |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | When a release carries too many demands and priorities are only ever negotiated, MoSCoW creates clear boundaries for the next cut. Must, Should, Could, and Won't make commitment, room for maneuver, and trade-off logic visible to everyone involved. | 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. | 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 | 30-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 15-30 min | 45-120 min |
Participantsdifferent | 3-12 | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized Backlog, Release Scope, Tradeoff Notes | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | PrioritizationScopeDecision | ArchitectureChangeAnalysisComparisonQuality | Root causeIncidentLeanProblem solving | ChangeRoot causeTroubleshootingComparison |