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| Criterion |  Operations Getting Things Done |  Innovation TRIZ |  Operations Ivy Lee Method |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 1-4 h | 5-10 min daily | 10-20 min daily |
Participantsdifferent | 1 | 2-8 | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Contradiction Statement, Inventive Principles, Solution Concepts | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | InnovationProblem solvingContradictionsCreativity | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations |