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Selected:ATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects AnalysisStandard Work AnalysisGemba Walk
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |  Operations Standard Work Analysis |  Operations Gemba Walk |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | High | High | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h | 1-3 h | 30-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | 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 | FMEA Table, Risk Priority, Mitigation Actions | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Observation Notes, Improvement Ideas |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause | LeanProcessQuality | LeanObservationProcessOperations |