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| Criterion |  Systems Thinking VUCA Scan |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Systems Thinking Soft Systems Methodology |
|---|---|---|---|
Purposedifferent | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | 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. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 0.5-3 Tage |
Participantsdifferent | 1-10 | Evaluation team, architects, and relevant stakeholders | 5-15 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | VUCA Map, Response Options, Signal and Learning Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Rich Picture, Root Definitions, Conceptual Models, Change Agenda |
Tagsno overlap | SensemakingUncertaintyComplexityStrategyForesight | ArchitectureQualityRiskTradeoffsStakeholders | Soft systemsComplexitySensemakingSystems thinking |
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