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| Criterion |  Operations Change Analysis |  Product Strategy DIBB |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-120 min | 1-2 h | Preparation, scenario analysis, and findings review; effort depends on scope | 45-90 min |
Participantsdifferent | 2-6 | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | DIBB document, Belief list, Bet list, Learning report | 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 | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | StrategyDecisionAssumptionsHypothesis | ArchitectureChangeAnalysisComparisonQuality | AssumptionsRiskDecisionDiscovery |