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| Criterion |  UX Research Diary Study |  Operations Bottleneck Analysis |  Facilitation Nominal Group Technique |
|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-3 h | 60-120 min |
Participantsdifferent | 5-20 | 3-8 | 5-12 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | UX researchTrackingBehavior | FlowMeasurementConstraints | FacilitationPrioritizationVotingInclusion |
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