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| Criterion |  Operations Ivy Lee Method |  UX Research Affinity Diagramming |  Operations Failure Mode and Effects Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 5-10 min daily | 45–90 min | 2-6 h | 1-6 Wochen |
Participantsdifferent | 1 | 3-10 | 3-10 | 4-10 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Daily Priority List, Completion Notes | Theme clusters, Insight statements, Opportunity areas | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | PrioritizationProductivityExecution | SynthesisQualitativeRoot cause | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause |