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| Criterion |  Decision Making Constraint Analysis |  Operations 5 Whys |  Operations ALPEN Method |  Operations A3 Problem Solving |
|---|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-90 min | 15-30 min | 10-20 min daily | 45-90 min |
Participantsdifferent | 2-8 | 2-6 | 1 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Root cause notes, Countermeasures | Daily Plan, Time Estimates, Review Notes | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Root causeIncidentLeanProblem solving | PlanningTime managementProductivityOperations | LeanProblem solvingCoachingOperations |