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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Eat the Frog |  Operations Ivy Lee Method |
|---|---|---|---|
Purposedifferent | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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 | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 15-90 min daily | 5-10 min daily |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution |
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