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| Criterion |  Product Discovery Assumption Mapping |  Operations Ivy Lee Method |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-60 min | 5-10 min daily | 2–4 h review as a planning range; preparation and evaluation additional | 15-90 min daily |
Participantsdifferent | 2-8 | 1 | Designers, developers as users, and facilitation | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Daily Priority List, Completion Notes | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | AssumptionsRiskExperimentsValidation | PrioritizationProductivityExecution | ArchitectureEngineeringFeedbackValidationTasks | PrioritizationProductivityFocusExecution |