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| Criterion |  Decision Making Assumption Surfacing |  Facilitation Decision Jam |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Low | Low | High |
Timedifferent | 45-90 min | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 4-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Problem Cluster, Prioritized Challenge, Experiment | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | FacilitationDecisionProblem solvingWorkshop | ArchitectureQualityRiskTradeoffsStakeholders |
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