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| Criterion |  Operations ABC Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 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 | Low | High | Low |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-120 min |
Participantsdifferent | 1-5 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Observation Notes, Improvement Ideas |
Tagsno overlap | PrioritizationOperationsPortfolio | ArchitectureQualityRiskTradeoffsStakeholders | LeanObservationProcessOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
