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| Criterion |  Operations Time Blocking |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Ivy Lee Method |
|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Low | High | Low |
Timedifferent | 15-30 min Planung, laufend | Several meetings plus preparation and analysis; total effort depends on scope | 5-10 min daily |
Participantsdifferent | 1 | Evaluation team, architects, and relevant stakeholders | 1 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Daily Priority List, Completion Notes |
Tagsno overlap | PlanningTime managementFocus | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationProductivityExecution |
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