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| Criterion |  Decision Making Assumption Surfacing |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | High | High |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 2-8 h |
Participantsdifferent | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | 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 | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureChangeAnalysisComparisonQuality | Problem solvingRoot causeDecisionOperations |
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