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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Six Thinking Hats |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | 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. | When a topic gets stuck too quickly in the same thinking mode, Six Thinking Hats deliberately separates the perspectives. This means facts, risks, creativity, and emotional signals get worked through one after another instead of mixed together. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | High | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 20–45 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-12 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Perspective Notes, Decision Inputs, Action Items | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationOptionsDecision | RiskDecisionFailurePlanning |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
