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| Criterion |  Operations Visual Management |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
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. | 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 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | Ongoing | Several meetings plus preparation and analysis; total effort depends on scope | 15-30 min | 1-4 h |
Participantsdifferent | 1-20 | Evaluation team, architects, and relevant stakeholders | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | SignalsOperationsVisual management | ArchitectureQualityRiskTradeoffsStakeholders | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |