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| Criterion |  UX Research Diary Study |  Operations Failure Mode and Effects Analysis |  Delivery RAID Log |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-4 Wochen | 2-6 h | 30 min Setup, dann laufend | 2-8 h |
Participantsdifferent | 5-20 | 3-10 | 1-3 maintaining, briefing for everyone | 2-8 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | FMEA Table, Risk Priority, Mitigation Actions | RAID Log, Status Report Source | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | UX researchTrackingBehavior | RiskQualityOperationsRoot cause | RiskTrackingStakeholdersGovernance | Problem solvingRoot causeDecisionOperations |