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| Criterion |  UX Research Affinity Diagramming |  Operations ALPEN Method |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 45–90 min | 10-20 min daily | 1-4 h | 2-6 h |
Participantsdifferent | 3-10 | 1 | 3-8 | 3-10 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Daily Plan, Time Estimates, Review Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | SynthesisQualitativeRoot cause | PlanningTime managementProductivityOperations | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause |