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| Criterion |  Operations ALPEN Method |  Operations Fault Tree Analysis |  UX Research Empathy Mapping |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | 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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 10-20 min daily | 2-6 h | 30–60 min | 45–90 min |
Participantsdifferent | 1 | 3-8 | 4-8 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Empathy Map, Assumptions List, Research Gaps | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | PlanningTime managementProductivityOperations | RiskRoot causeSafety | SynthesisQualitativeWorkshop | SynthesisQualitativeRoot cause |