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| Criterion |  Operations Ivy Lee Method |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Assumption Surfacing |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 5-10 min daily | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 15-90 min daily |
Participantsdifferent | 1 | Evaluation team, architects, and relevant stakeholders | 2-8 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Daily Priority List, Completion Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption List, Critical Assumptions, Learning Plan | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | PrioritizationProductivityExecution | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskDecisionDiscovery | PrioritizationProductivityFocusExecution |