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| Criterion |  Operations A3 Problem Solving |  Innovation Lean Startup |  Operations ALPEN Method |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | Wochen bis Monate je Lernzyklus | 10-20 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 2-5 | 2-8 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanStartupValidationMVP | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution |