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| Criterion |  UX Research Diary Study |  DevOps Blameless Postmortem |  Agile Mad Sad Glad |
|---|---|---|---|
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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | When a team's or workshop's mood needs to become readable, it structures emotional signals with little setup. It makes strain, relief, and sources of energy tangible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 30-90 min | 30-60 min |
Participantsdifferent | 5-20 | 3-12 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Postmortem Doc, Action Items, Timeline | Emotion Board, Themes, Action Items |
Tagsno overlap | UX researchTrackingBehavior | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveTeamReflection |
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