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| Criterion |  Operations Standard Work Analysis |  Operations ALPEN Method |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Medium | Low | High | Low |
Timedifferent | 1-3 h | 10-20 min daily | Several meetings plus preparation and analysis; total effort depends on scope | 30-120 min |
Participantsdifferent | 2-6 | 1 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Daily Plan, Time Estimates, Review Notes | 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 | LeanProcessQuality | PlanningTime managementProductivityOperations | ArchitectureQualityRiskTradeoffsStakeholders | LeanObservationProcessOperations |