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| Criterion |  Operations Kaizen Event |  Operations ALPEN Method |  Operations Kepner-Tregoe |  Decision Making Constraint Analysis |
|---|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 0.5-5 Tage | 10-20 min daily | 2-8 h | 30-90 min |
Participantsdifferent | 4-10 | 1 | 2-8 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Daily Plan, Time Estimates, Review Notes | Problem Analysis, Decision Analysis, Risk Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | LeanContinuous improvementOperations | PlanningTime managementProductivityOperations | Problem solvingRoot causeDecisionOperations | ConstraintsDecisionPlanningOptions |