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| Criterion |  Agile ROAM Board |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations A3 Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 20-40 min initial, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 15-30 min |
Participantsdifferent | 3-15 | Evaluation team, architects, and relevant stakeholders | 2-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ROAM Board, Owner List | 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 | Root cause notes, Countermeasures |
Tagsno overlap | RiskAgileTrackingAlignment | ArchitectureQualityRiskTradeoffsStakeholders | LeanProblem solvingCoachingOperations | Root causeIncidentLeanProblem solving |