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| Criterion |  UX Research Affinity Diagramming |  Decision Making Constraint Analysis |  Operations A3 Problem Solving |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 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. | 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 | Low | Low | Medium | Low |
Timedifferent | 45–90 min | 30-90 min | 45-90 min | 10-20 min daily |
Participantsdifferent | 3-10 | 2-8 | 2-5 | 1 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | A3 Report, Action Plan, Root Cause Analysis | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | SynthesisQualitativeRoot cause | ConstraintsDecisionPlanningOptions | LeanProblem solvingCoachingOperations | PlanningTime managementProductivityOperations |