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| Criterion |  Operations Kaizen Event |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Innovation Lean Startup |
|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 0.5-5 Tage | Several meetings plus preparation and analysis; total effort depends on scope | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 4-10 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | LeanContinuous improvementOperations | ArchitectureQualityRiskTradeoffsStakeholders | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
