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| Criterion |  Agile ROAM Board |  Operations Kaizen Event |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 20-40 min initial, dann laufend | 0.5-5 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 3-15 | 4-10 | Evaluation team, architects, and relevant stakeholders | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ROAM Board, Owner List | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | RiskAgileTrackingAlignment | LeanContinuous improvementOperations | ArchitectureQualityRiskTradeoffsStakeholders | LeanProblem solvingCoachingOperations |