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| Criterion |  Decision Making Constraint Analysis |  Operations Family Tree Analysis |  Operations ALPEN Method |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30-90 min | 2-4 h | 10-20 min daily | 2-4 h |
Participantsdifferent | 2-8 | 2-6 | 1 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Family Tree Diagram, Pattern Notes, Systemic Measures | Daily Plan, Time Estimates, Review Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Root causePatternsIncidentSystemic | PlanningTime managementProductivityOperations | Root causeSafetyIncident |