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| Criterion |  Innovation TRIZ |  Operations Ivy Lee Method |  Operations ALPEN Method |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 h | 5-10 min daily | 10-20 min daily | 15-90 min daily |
Participantsdifferent | 2-8 | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Contradiction Statement, Inventive Principles, Solution Concepts | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | InnovationProblem solvingContradictionsCreativity | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations | PrioritizationProductivityFocusExecution |