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Selected:Visual ManagementBucket SystemATAM (Architecture Tradeoff Analysis Method)Affinity Estimation
| Criterion |  Operations Visual Management |  Agile Bucket System |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Agile Affinity Estimation |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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 tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | Ongoing | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-90 min |
Participantsdifferent | 1-20 | 3-12 | Evaluation team, architects, and relevant stakeholders | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Bucketed Backlog, Relative Estimates, Split Candidates | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | SignalsOperationsVisual management | EstimationBacklogRelative sizing | ArchitectureQualityRiskTradeoffsStakeholders | EstimationBacklogRelative sizing |