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| Criterion |  Operations PDCA Cycle |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Standard Work Analysis |  Operations DMAIC |
|---|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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 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. | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 1 h bis mehrere Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 2-12 Wochen |
Participantsdifferent | 1-8 | Evaluation team, architects, and relevant stakeholders | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Project Charter, Measurement Plan, Cause Analysis, Control Plan |
Tagsno overlap | Continuous improvementLeanExperiments | ArchitectureQualityRiskTradeoffsStakeholders | LeanProcessQuality | Continuous improvementQualityProcess improvement |