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Selected:ATAM (Architecture Tradeoff Analysis Method)Power Interest GridConstraint AnalysisSix Thinking Hats
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Power Interest Grid |  Decision Making Constraint Analysis |  Facilitation Six Thinking Hats |
|---|---|---|---|---|
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 many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 30-90 min | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | 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 | Power Interest Grid, Strategy per Stakeholder | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Perspective Notes, Decision Inputs, Action Items |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | StakeholdersFacilitationAlignmentPlanning | ConstraintsDecisionPlanningOptions | FacilitationOptionsDecision |