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| Criterion |  Operations Ivy Lee Method |  Product Discovery Test Card |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 5-10 min daily | 20-35 min | 45-90 min |
Participantsdifferent | 1 | 1-5 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Daily Priority List, Completion Notes | Test Card with a pre-set threshold | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | PrioritizationProductivityExecution | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskDecisionDiscovery |
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